Example 9: Transactions with File Rate of interest calculated every 30 days

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Example 9 Scenario  

This example is based on the facts in Example 8. See entire scenario below for full version.

 

In the previous example:

The interest rate was a Static Rate of 7.5% per annum.

 

In this example:

The interest rate is a File Rate.
The File Rate is a Tiered Rate that changes over time.
The credit supply agreement says that the relevant interest rate is the overdraft interest rate that the store's bank charges.
For easy recall, we will say that the overdraft rates are as follows:

 

       From                        Rate

       4/4/2004                4%

       5/5/2005                5%

       6/6/2006                6%

       7/7/2007                7%

       8/8/2008                8%

 

Demonstrated Features

Introduction to tiered interest rates.
Date v. Date/Amount tiers.
Fow to create your own reusable interest rate file.
How to enter tiered rates.
Saving the Rates File as "My Overdraft Rates".
Selecting from the File Rates menu.
Overriding the File Rate interest interval setting.
Examine relevant parts of the calculation result.

 

Points of Interest

You could have an interest agreement with your own clients/customers on a similar basis.

 

Multimedia Presentation

 

Click icon to watch video

 

Entire Scenario

There are a series of transactions on Mr Smith's account - the first one is on 16 July 2004 and the last one is on 23 November 2006, the balance is currently $6704.35.

 

 

DATE DESCRIPTION AMOUNT BALANCE
16/07/2004 Invoice No. 504 $950.05 $950.05
24/01/2005 Invoice No. 505 $1,482.18 $2,432.23
12/10/2005 Cheque No. 439758 $2,772.83CR $340.60CR
05/11/2005 Invoice No. 506 $1,313.14 $972.54
11/11/2005 Dishonoured Cheque Fee $50.00 $1,022.54
14/01/2006 Invoice No. 507 $3,071.38 $4,093.92
10/04/2006 Cheque No. 439759 $2,950.00CR $1,143.92
26/05/2006 Invoice No. 508 $7,076.15 $8,220.07
15/07/2006 Cheque No. 439760 $1,447.98CR $6,772.09
23/11/2006 Cheque No. 439761 $67.74CR $6,704.35

 

He's given a lot of business over the years and has always paid up eventually, but the account has lost too much control now.

 

The credit supply agreement says that interest may be charged daily at the prevailing interest rate that the store pays on its own bank overdraft account. The rates are:

 

       From                        Rate

       4/4/2004                4%

       5/5/2005                5%

       6/6/2006                6%

       7/7/2007                7%

       8/8/2008                8%

 

The credit supply agreement also says that if the customer's account goes into credit (i.e. the store owes the customer) then no interest is payable to the customer.

 

Interest is to be calculated every 30 days starting from the date that Mr Smith entered the credit supply agreement on 14 July 2004.

 

Interest is not compounded.

 

Payments are allocated to the best benefit of the store (i.e. the creditor).

 

We wish to calculate interest as at 21 September 2007.

 

Calculation Results

The results generated by the program are shown below.

 


Calculation Result

Example 9

 

 

SUMMARY

 

Calculated interest on transactions, starting with principal of nine hundred and fifty dollars and five cents ($950.05), for the period 16/07/2004 to 21/09/2007 inclusive, a period of 1163 days.

 

Total interest for the period was seven hundred and forty-nine dollars and sixty-three cents ($749.63), however the amount now owing is four hundred and forty-six dollars and ninety-nine cents ($446.99) because of the allocation of debits/credits during the period.

 

As at 21/09/2007 the total amount owing is seven thousand four hundred and fifty-three dollars and ninety-eight cents ($7,453.98) comprised of principal of seven thousand and six dollars and ninety-nine cents ($7,006.99) and accumulated interest of four hundred and forty-six dollars and ninety-nine cents ($446.99).

 

Interest on $7,006.99 continues to accumulate at one dollar and thirty-four cents ($1.34) per day on and from 22/09/2007.

 

 

TRANSACTION HISTORY BEFORE INTEREST IS TAKEN INTO ACCOUNT

 

DATE DESCRIPTION AMOUNT BALANCE
16/07/2004 Invoice No. 504 $950.05 $950.05
24/01/2005 Invoice No. 505 $1,482.18 $2,432.23
12/10/2005 Cheque No. 439758 $2,772.83CR $340.60CR
05/11/2005 Invoice No. 506 $1,313.14 $972.54
11/11/2005 Dishonoured Cheque Fee $50.00 $1,022.54
14/01/2006 Invoice No. 507 $3,071.38 $4,093.92
10/04/2006 Cheque No. 439759 $2,950.00CR $1,143.92
26/05/2006 Invoice No. 508 $7,076.15 $8,220.07
15/07/2006 Cheque No. 439760 $1,447.98CR $6,772.09
23/11/2006 Cheque No. 439761 $67.74CR $6,704.35

 

 

PARTICULARS OF INTEREST

 

Shows that the initial interest rate was 4% per annum.

 

 

(a) On 16/07/2004 the opening principal was $950.05, the interest rate on debit balances was 4% per annum, the interest rate on credit balances was nil (0.0%), and the days per year base used to convert the annual interest rates into daily interest rates was 366.

 

(b) Debits and Credits are each applied to non-principal then to interest then to principal.

 

(c) Calculated interest on 13/08/2004. Interest on $950.05 (principal) at 4% per annum × 29 days (16/07/2004 to 13/08/2004 inclusive) ÷ 366 (days per year) is $3.01, resulting in a new unpaid interest balance of $3.01 ($0.00 plus $3.01).

 

(d) Calculated interest on 12/09/2004. Interest on $950.05 (principal) at 4% per annum × 30 days (14/08/2004 to 12/09/2004 inclusive) ÷ 366 (days per year) is $3.11, resulting in a new unpaid interest balance of $6.12 ($3.01 plus $3.11).

 

(e) Calculated interest on 12/10/2004. Interest on $950.05 (principal) at 4% per annum × 30 days (13/09/2004 to 12/10/2004 inclusive) ÷ 366 (days per year) is $3.11, resulting in a new unpaid interest balance of $9.23 ($6.12 plus $3.11).

 

(f) Calculated interest on 11/11/2004. Interest on $950.05 (principal) at 4% per annum × 30 days (13/10/2004 to 11/11/2004 inclusive) ÷ 366 (days per year) is $3.11, resulting in a new unpaid interest balance of $12.34 ($9.23 plus $3.11).

 

(g) Calculated interest on 11/12/2004. Interest on $950.05 (principal) at 4% per annum × 30 days (12/11/2004 to 11/12/2004 inclusive) ÷ 366 (days per year) is $3.11, resulting in a new unpaid interest balance of $15.45 ($12.34 plus $3.11).

 

(h) Calculated interest on 31/12/2004 because it was the last day before the days per year base changed (from 366 to 365) on 01/01/2005. Interest on $950.05 (principal) at 4% per annum × 20 days (12/12/2004 to 31/12/2004 inclusive) ÷ 366 (days per year) is $2.08, resulting in a new unpaid interest balance of $17.53 ($15.45 plus $2.08).

 

 

Shows that the daily rate of interest changed because the days divisor changed.

 

 

(i) On 01/01/2005 the days per year base used to convert the annual interest rate into the daily interest rate changed to 365. The daily interest rate is now 0.0109589% on debit balances.

 

(j) Calculated interest on 10/01/2005. Interest on $950.05 (principal) at 4% per annum × 10 days (01/01/2005 to 10/01/2005 inclusive) ÷ 365 (days per year) is $1.04, resulting in a new unpaid interest balance of $18.57 ($17.53 plus $1.04).

 

(k) Calculated interest on 23/01/2005 because it was the last day before the balance of principal changed on 24/01/2005. Interest on $950.05 (principal) at 4% per annum × 13 days (11/01/2005 to 23/01/2005 inclusive) ÷ 365 (days per year) is $1.35, resulting in a new unpaid interest balance of $19.92 ($18.57 plus $1.35).

 

(l) Debit on 24/01/2005: "Invoice No. 505" $1,482.18. The entire amount was added to principal, leaving a new principal balance of $2,432.23 ($950.05 plus $1,482.18).

 

(m) Calculated interest on 09/02/2005. Interest on $2,432.23 (principal) at 4% per annum × 17 days (24/01/2005 to 09/02/2005 inclusive) ÷ 365 (days per year) is $4.53, resulting in a new unpaid interest balance of $24.45 ($19.92 plus $4.53).

 

(n) Calculated interest on 11/03/2005. Interest on $2,432.23 (principal) at 4% per annum × 30 days (10/02/2005 to 11/03/2005 inclusive) ÷ 365 (days per year) is $8.00, resulting in a new unpaid interest balance of $32.45 ($24.45 plus $8.00).

 

(o) Calculated interest on 10/04/2005. Interest on $2,432.23 (principal) at 4% per annum × 30 days (12/03/2005 to 10/04/2005 inclusive) ÷ 365 (days per year) is $8.00, resulting in a new unpaid interest balance of $40.45 ($32.45 plus $8.00).

 

(p) Calculated interest on 04/05/2005 because it was the last day before the interest rate changed on 05/05/2005. Interest on $2,432.23 (principal) at 4% per annum × 24 days (11/04/2005 to 04/05/2005 inclusive) ÷ 365 (days per year) is $6.40, resulting in a new unpaid interest balance of $46.85 ($40.45 plus $6.40).

 

 

Shows that the annual rate of interest changed to 5%.

 

 

(q) On 05/05/2005 the interest rate on debit balances changed to 5% per annum.

 

(r) Calculated interest on 10/05/2005. Interest on $2,432.23 (principal) at 5% per annum × 6 days (05/05/2005 to 10/05/2005 inclusive) ÷ 365 (days per year) is $2.00, resulting in a new unpaid interest balance of $48.85 ($46.85 plus $2.00).

 

(s) Calculated interest on 09/06/2005. Interest on $2,432.23 (principal) at 5% per annum × 30 days (11/05/2005 to 09/06/2005 inclusive) ÷ 365 (days per year) is $10.00, resulting in a new unpaid interest balance of $58.85 ($48.85 plus $10.00).

 

(t) Calculated interest on 09/07/2005. Interest on $2,432.23 (principal) at 5% per annum × 30 days (10/06/2005 to 09/07/2005 inclusive) ÷ 365 (days per year) is $10.00, resulting in a new unpaid interest balance of $68.85 ($58.85 plus $10.00).

 

(u) Calculated interest on 08/08/2005. Interest on $2,432.23 (principal) at 5% per annum × 30 days (10/07/2005 to 08/08/2005 inclusive) ÷ 365 (days per year) is $10.00, resulting in a new unpaid interest balance of $78.85 ($68.85 plus $10.00).

 

(v) Calculated interest on 07/09/2005. Interest on $2,432.23 (principal) at 5% per annum × 30 days (09/08/2005 to 07/09/2005 inclusive) ÷ 365 (days per year) is $10.00, resulting in a new unpaid interest balance of $88.85 ($78.85 plus $10.00).

 

(w) Calculated interest on 07/10/2005. Interest on $2,432.23 (principal) at 5% per annum × 30 days (08/09/2005 to 07/10/2005 inclusive) ÷ 365 (days per year) is $10.00, resulting in a new unpaid interest balance of $98.85 ($88.85 plus $10.00).

 

(x) Calculated interest on 11/10/2005 because it was the last day before the balance of principal changed on 12/10/2005. Interest on $2,432.23 (principal) at 5% per annum × 4 days (08/10/2005 to 11/10/2005 inclusive) ÷ 365 (days per year) is $1.33, resulting in a new unpaid interest balance of $100.18 ($98.85 plus $1.33).

 

(y) Credit on 12/10/2005: "Cheque No. 439758" $2,772.83CR. The payment was applied partly to interest ($100.18) and partly to principal ($2,672.65) leaving a new unpaid interest balance of $0.00 ($100.18 minus $100.18) and a new principal balance of $240.42CR ($2,432.23 minus $2,672.65).

 

(z) Calculated interest on 04/11/2005 because it was the last day before the balance of principal changed on 05/11/2005. Interest on $240.42CR (principal) at 0% per annum × 24 days (12/10/2005 to 04/11/2005 inclusive) ÷ 365 (days per year) is $0.00, resulting in a new unpaid interest balance of $0.00 ($0.00 plus $0.00).

 

(aa) Debit on 05/11/2005: "Invoice No. 506" $1,313.14. The entire amount was added to principal, leaving a new principal balance of $1,072.72 ($240.42CR plus $1,313.14).

 

(ab) Calculated interest on 06/11/2005. Interest on $1,072.72 (principal) at 5% per annum × 2 days (05/11/2005 to 06/11/2005 inclusive) ÷ 365 (days per year) is $0.29, resulting in a new unpaid interest balance of $0.29 ($0.00 plus $0.29).

 

(ac) Calculated interest on 10/11/2005 because it was the last day before the balance of principal changed on 11/11/2005. Interest on $1,072.72 (principal) at 5% per annum × 4 days (07/11/2005 to 10/11/2005 inclusive) ÷ 365 (days per year) is $0.59, resulting in a new unpaid interest balance of $0.88 ($0.29 plus $0.59).

 

(ad) Debit on 11/11/2005: "Dishonoured Cheque Fee" $50.00. The entire amount was added to principal, leaving a new principal balance of $1,122.72 ($1,072.72 plus $50.00).

 

(ae) Calculated interest on 06/12/2005. Interest on $1,122.72 (principal) at 5% per annum × 26 days (11/11/2005 to 06/12/2005 inclusive) ÷ 365 (days per year) is $4.00, resulting in a new unpaid interest balance of $4.88 ($0.88 plus $4.00).

 

(af) Calculated interest on 05/01/2006. Interest on $1,122.72 (principal) at 5% per annum × 30 days (07/12/2005 to 05/01/2006 inclusive) ÷ 365 (days per year) is $4.61, resulting in a new unpaid interest balance of $9.49 ($4.88 plus $4.61).

 

(ag) Calculated interest on 13/01/2006 because it was the last day before the balance of principal changed on 14/01/2006. Interest on $1,122.72 (principal) at 5% per annum × 8 days (06/01/2006 to 13/01/2006 inclusive) ÷ 365 (days per year) is $1.23, resulting in a new unpaid interest balance of $10.72 ($9.49 plus $1.23).

 

(ah) Debit on 14/01/2006: "Invoice No. 507" $3,071.38. The entire amount was added to principal, leaving a new principal balance of $4,194.10 ($1,122.72 plus $3,071.38).

 

(ai) Calculated interest on 04/02/2006. Interest on $4,194.10 (principal) at 5% per annum × 22 days (14/01/2006 to 04/02/2006 inclusive) ÷ 365 (days per year) is $12.64, resulting in a new unpaid interest balance of $23.36 ($10.72 plus $12.64).

 

(aj) Calculated interest on 06/03/2006. Interest on $4,194.10 (principal) at 5% per annum × 30 days (05/02/2006 to 06/03/2006 inclusive) ÷ 365 (days per year) is $17.24, resulting in a new unpaid interest balance of $40.60 ($23.36 plus $17.24).

 

(ak) Calculated interest on 05/04/2006. Interest on $4,194.10 (principal) at 5% per annum × 30 days (07/03/2006 to 05/04/2006 inclusive) ÷ 365 (days per year) is $17.24, resulting in a new unpaid interest balance of $57.84 ($40.60 plus $17.24).

 

(al) Calculated interest on 09/04/2006 because it was the last day before the balance of principal changed on 10/04/2006. Interest on $4,194.10 (principal) at 5% per annum × 4 days (06/04/2006 to 09/04/2006 inclusive) ÷ 365 (days per year) is $2.30, resulting in a new unpaid interest balance of $60.14 ($57.84 plus $2.30).

 

(am) Credit on 10/04/2006: "Cheque No. 439759" $2,950.00CR. The payment was applied partly to interest ($60.14) and partly to principal ($2,889.86) leaving a new unpaid interest balance of $0.00 ($60.14 minus $60.14) and a new principal balance of $1,304.24 ($4,194.10 minus $2,889.86).

 

(an) Calculated interest on 05/05/2006. Interest on $1,304.24 (principal) at 5% per annum × 26 days (10/04/2006 to 05/05/2006 inclusive) ÷ 365 (days per year) is $4.65, resulting in a new unpaid interest balance of $4.65 ($0.00 plus $4.65).

 

(ao) Calculated interest on 25/05/2006 because it was the last day before the balance of principal changed on 26/05/2006. Interest on $1,304.24 (principal) at 5% per annum × 20 days (06/05/2006 to 25/05/2006 inclusive) ÷ 365 (days per year) is $3.57, resulting in a new unpaid interest balance of $8.22 ($4.65 plus $3.57).

 

(ap) Debit on 26/05/2006: "Invoice No. 508" $7,076.15. The entire amount was added to principal, leaving a new principal balance of $8,380.39 ($1,304.24 plus $7,076.15).

 

(aq) Calculated interest on 04/06/2006. Interest on $8,380.39 (principal) at 5% per annum × 10 days (26/05/2006 to 04/06/2006 inclusive) ÷ 365 (days per year) is $11.48, resulting in a new unpaid interest balance of $19.70 ($8.22 plus $11.48).

 

(ar) Calculated interest on 05/06/2006 because it was the last day before the interest rate changed on 06/06/2006. Interest on $8,380.39 (principal) at 5% per annum × 1 day (05/06/2006) ÷ 365 (days per year) is $1.15, resulting in a new unpaid interest balance of $20.85 ($19.70 plus $1.15).

 

 

Shows that the annual rate of interest changed to 6%.

 

 

(as) On 06/06/2006 the interest rate on debit balances changed to 6% per annum.

 

(at) Calculated interest on 04/07/2006. Interest on $8,380.39 (principal) at 6% per annum × 29 days (06/06/2006 to 04/07/2006 inclusive) ÷ 365 (days per year) is $39.95, resulting in a new unpaid interest balance of $60.80 ($20.85 plus $39.95).

 

(au) Calculated interest on 14/07/2006 because it was the last day before the balance of principal changed on 15/07/2006. Interest on $8,380.39 (principal) at 6% per annum × 10 days (05/07/2006 to 14/07/2006 inclusive) ÷ 365 (days per year) is $13.78, resulting in a new unpaid interest balance of $74.58 ($60.80 plus $13.78).

 

(av) Credit on 15/07/2006: "Cheque No. 439760" $1,447.98CR. The payment was applied partly to interest ($74.58) and partly to principal ($1,373.40) leaving a new unpaid interest balance of $0.00 ($74.58 minus $74.58) and a new principal balance of $7,006.99 ($8,380.39 minus $1,373.40).

 

(aw) Calculated interest on 03/08/2006. Interest on $7,006.99 (principal) at 6% per annum × 20 days (15/07/2006 to 03/08/2006 inclusive) ÷ 365 (days per year) is $23.04, resulting in a new unpaid interest balance of $23.04 ($0.00 plus $23.04).

 

(ax) Calculated interest on 02/09/2006. Interest on $7,006.99 (principal) at 6% per annum × 30 days (04/08/2006 to 02/09/2006 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $57.60 ($23.04 plus $34.56).

 

(ay) Calculated interest on 02/10/2006. Interest on $7,006.99 (principal) at 6% per annum × 30 days (03/09/2006 to 02/10/2006 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $92.16 ($57.60 plus $34.56).

 

(az) Calculated interest on 01/11/2006. Interest on $7,006.99 (principal) at 6% per annum × 30 days (03/10/2006 to 01/11/2006 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $126.72 ($92.16 plus $34.56).

 

(ba) Calculated interest on 22/11/2006 because it was the last day before the balance of principal changed on 23/11/2006. Interest on $7,006.99 (principal) at 6% per annum × 21 days (02/11/2006 to 22/11/2006 inclusive) ÷ 365 (days per year) is $24.19, resulting in a new unpaid interest balance of $150.91 ($126.72 plus $24.19).

 

(bb) Credit on 23/11/2006: "Cheque No. 439761" $67.74CR. The payment was applied entirely to interest, leaving a new unpaid interest balance of $83.17 ($150.91 minus $67.74).

 

(bc) Calculated interest on 01/12/2006. Interest on $7,006.99 (principal) at 6% per annum × 9 days (23/11/2006 to 01/12/2006 inclusive) ÷ 365 (days per year) is $10.37, resulting in a new unpaid interest balance of $93.54 ($83.17 plus $10.37).

 

(bd) Calculated interest on 31/12/2006. Interest on $7,006.99 (principal) at 6% per annum × 30 days (02/12/2006 to 31/12/2006 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $128.10 ($93.54 plus $34.56).

 

(be) Calculated interest on 30/01/2007. Interest on $7,006.99 (principal) at 6% per annum × 30 days (01/01/2007 to 30/01/2007 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $162.66 ($128.10 plus $34.56).

 

(bf) Calculated interest on 01/03/2007. Interest on $7,006.99 (principal) at 6% per annum × 30 days (31/01/2007 to 01/03/2007 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $197.22 ($162.66 plus $34.56).

 

(bg) Calculated interest on 31/03/2007. Interest on $7,006.99 (principal) at 6% per annum × 30 days (02/03/2007 to 31/03/2007 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $231.78 ($197.22 plus $34.56).

 

(bh) Calculated interest on 30/04/2007. Interest on $7,006.99 (principal) at 6% per annum × 30 days (01/04/2007 to 30/04/2007 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $266.34 ($231.78 plus $34.56).

 

(bi) Calculated interest on 30/05/2007. Interest on $7,006.99 (principal) at 6% per annum × 30 days (01/05/2007 to 30/05/2007 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $300.90 ($266.34 plus $34.56).

 

(bj) Calculated interest on 29/06/2007. Interest on $7,006.99 (principal) at 6% per annum × 30 days (31/05/2007 to 29/06/2007 inclusive) ÷ 365 (days per year) is $34.56, resulting in a new unpaid interest balance of $335.46 ($300.90 plus $34.56).

 

(bk) Calculated interest on 06/07/2007 because it was the last day before the interest rate changed on 07/07/2007. Interest on $7,006.99 (principal) at 6% per annum × 7 days (30/06/2007 to 06/07/2007 inclusive) ÷ 365 (days per year) is $8.06, resulting in a new unpaid interest balance of $343.52 ($335.46 plus $8.06).

 

 

Shows that the annual rate of interest changed to 7%.

 

 

(bl) On 07/07/2007 the interest rate on debit balances changed to 7% per annum.

 

(bm) Calculated interest on 29/07/2007. Interest on $7,006.99 (principal) at 7% per annum × 23 days (07/07/2007 to 29/07/2007 inclusive) ÷ 365 (days per year) is $30.91, resulting in a new unpaid interest balance of $374.43 ($343.52 plus $30.91).

 

(bn) Calculated interest on 28/08/2007. Interest on $7,006.99 (principal) at 7% per annum × 30 days (30/07/2007 to 28/08/2007 inclusive) ÷ 365 (days per year) is $40.31, resulting in a new unpaid interest balance of $414.74 ($374.43 plus $40.31).

 

(bo) Calculated interest on 21/09/2007. Interest on $7,006.99 (principal) at 7% per annum × 24 days (29/08/2007 to 21/09/2007 inclusive) ÷ 365 (days per year) is $32.25, resulting in a new unpaid interest balance of $446.99 ($414.74 plus $32.25).

 

(bp) As at 21/09/2007 the total amount owing is seven thousand four hundred and fifty-three dollars and ninety-eight cents ($7,453.98) comprised of principal of seven thousand and six dollars and ninety-nine cents ($7,006.99) and accumulated interest of four hundred and forty-six dollars and ninety-nine cents ($446.99).

 

(bq) Total interest for the period 16/07/2004 to 21/09/2007 (1163 days) was seven hundred and forty-nine dollars and sixty-three cents ($749.63).

 

(br) Interest on $7,006.99 continues to accumulate at one dollar and thirty-four cents ($1.34) per day on and from 22/09/2007.


 

Calculation Result

Example 9

 

TRANSACTION HISTORY BEFORE INTEREST IS TAKEN INTO ACCOUNT

 

DATE DESCRIPTION AMOUNT BALANCE
16/07/2004 Invoice No. 504 $950.05 $950.05
24/01/2005 Invoice No. 505 $1,482.18 $2,432.23
12/10/2005 Cheque No. 439758 $2,772.83CR $340.60CR
05/11/2005 Invoice No. 506 $1,313.14 $972.54
11/11/2005 Dishonoured Cheque Fee $50.00 $1,022.54
14/01/2006 Invoice No. 507 $3,071.38 $4,093.92
10/04/2006 Cheque No. 439759 $2,950.00CR $1,143.92
26/05/2006 Invoice No. 508 $7,076.15 $8,220.07
15/07/2006 Cheque No. 439760 $1,447.98CR $6,772.09
23/11/2006 Cheque No. 439761 $67.74CR $6,704.35

 

 

 

INTEREST CALCULATION TABLE

DATE DESCRIPTION DAYS AMOUNT BALANCE PRINCIPAL INTEREST
16/07/2004 Interest rate started at 4% on debit balances (0.01092896% per day). $950.05DR $950.05DR $0.00DR
13/08/2004 Interest (16/07/2004 to 13/08/2004 inclusive) $950.05 × 0.01092896% × 29 days = $3.01. 29 $3.01DR $953.06DR $950.05DR $3.01DR
12/09/2004 Interest (14/08/2004 to 12/09/2004 inclusive) $950.05 × 0.01092896% × 30 days = $3.11. 30 $3.11DR $956.17DR $950.05DR $6.12DR
12/10/2004 Interest (13/09/2004 to 12/10/2004 inclusive) $950.05 × 0.01092896% × 30 days = $3.11. 30 $3.11DR $959.28DR $950.05DR $9.23DR
11/11/2004 Interest (13/10/2004 to 11/11/2004 inclusive) $950.05 × 0.01092896% × 30 days = $3.11. 30 $3.11DR $962.39DR $950.05DR $12.34DR
11/12/2004 Interest (12/11/2004 to 11/12/2004 inclusive) $950.05 × 0.01092896% × 30 days = $3.11. 30 $3.11DR $965.50DR $950.05DR $15.45DR
31/12/2004 Interest (12/12/2004 to 31/12/2004 inclusive) $950.05 × 0.01092896% × 20 days = $2.08. 20 $2.08DR $967.58DR $950.05DR $17.53DR
01/01/2005 Days per year changed to 365. Daily interest rate now 0.0109589% on debit balances. $967.58DR $950.05DR $17.53DR
10/01/2005 Interest (01/01/2005 to 10/01/2005 inclusive) $950.05 × 0.0109589% × 10 days = $1.04. 10 $1.04DR $968.62DR $950.05DR $18.57DR
23/01/2005 Interest (11/01/2005 to 23/01/2005 inclusive) $950.05 × 0.0109589% × 13 days = $1.35. 13 $1.35DR $969.97DR $950.05DR $19.92DR
24/01/2005 Invoice No. 505. Entire amount added to principal. $1,482.18DR $2,452.15DR $2,432.23DR $19.92DR
09/02/2005 Interest (24/01/2005 to 09/02/2005 inclusive) $2,432.23 × 0.0109589% × 17 days = $4.53. 17 $4.53DR $2,456.68DR $2,432.23DR $24.45DR
11/03/2005 Interest (10/02/2005 to 11/03/2005 inclusive) $2,432.23 × 0.0109589% × 30 days = $8.00. 30 $8.00DR $2,464.68DR $2,432.23DR $32.45DR
10/04/2005 Interest (12/03/2005 to 10/04/2005 inclusive) $2,432.23 × 0.0109589% × 30 days = $8.00. 30 $8.00DR $2,472.68DR $2,432.23DR $40.45DR
04/05/2005 Interest (11/04/2005 to 04/05/2005 inclusive) $2,432.23 × 0.0109589% × 24 days = $6.40. 24 $6.40DR $2,479.08DR $2,432.23DR $46.85DR
05/05/2005 Interest rate on debit balances changed to 5% per annum (currently 0.01369863% per day). $2,479.08DR $2,432.23DR $46.85DR
10/05/2005 Interest (05/05/2005 to 10/05/2005 inclusive) $2,432.23 × 0.01369863% × 6 days = $2.00. 6 $2.00DR $2,481.08DR $2,432.23DR $48.85DR
09/06/2005 Interest (11/05/2005 to 09/06/2005 inclusive) $2,432.23 × 0.01369863% × 30 days = $10.00. 30 $10.00DR $2,491.08DR $2,432.23DR $58.85DR
09/07/2005 Interest (10/06/2005 to 09/07/2005 inclusive) $2,432.23 × 0.01369863% × 30 days = $10.00. 30 $10.00DR $2,501.08DR $2,432.23DR $68.85DR
08/08/2005 Interest (10/07/2005 to 08/08/2005 inclusive) $2,432.23 × 0.01369863% × 30 days = $10.00. 30 $10.00DR $2,511.08DR $2,432.23DR $78.85DR
07/09/2005 Interest (09/08/2005 to 07/09/2005 inclusive) $2,432.23 × 0.01369863% × 30 days = $10.00. 30 $10.00DR $2,521.08DR $2,432.23DR $88.85DR
07/10/2005 Interest (08/09/2005 to 07/10/2005 inclusive) $2,432.23 × 0.01369863% × 30 days = $10.00. 30 $10.00DR $2,531.08DR $2,432.23DR $98.85DR
11/10/2005 Interest (08/10/2005 to 11/10/2005 inclusive) $2,432.23 × 0.01369863% × 4 days = $1.33. 4 $1.33DR $2,532.41DR $2,432.23DR $100.18DR
12/10/2005 Cheque No. 439758. Payment was applied partly to interest ($100.18) and partly to principal ($2,672.65). $2,772.83CR $240.42CR $240.42CR $0.00DR
04/11/2005 Interest (12/10/2005 to 04/11/2005 inclusive) $240.42CR × 0% × 24 days = $0.00. 24 Nil $240.42CR $240.42CR $0.00DR
05/11/2005 Invoice No. 506. Entire amount added to principal. $1,313.14DR $1,072.72DR $1,072.72DR $0.00DR
06/11/2005 Interest (05/11/2005 to 06/11/2005 inclusive) $1,072.72 × 0.01369863% × 2 days = $0.29. 2 $0.29DR $1,073.01DR $1,072.72DR $0.29DR
10/11/2005 Interest (07/11/2005 to 10/11/2005 inclusive) $1,072.72 × 0.01369863% × 4 days = $0.59. 4 $0.59DR $1,073.60DR $1,072.72DR $0.88DR
11/11/2005 Dishonoured Cheque Fee. Entire amount added to principal. $50.00DR $1,123.60DR $1,122.72DR $0.88DR
06/12/2005 Interest (11/11/2005 to 06/12/2005 inclusive) $1,122.72 × 0.01369863% × 26 days = $4.00. 26 $4.00DR $1,127.60DR $1,122.72DR $4.88DR
05/01/2006 Interest (07/12/2005 to 05/01/2006 inclusive) $1,122.72 × 0.01369863% × 30 days = $4.61. 30 $4.61DR $1,132.21DR $1,122.72DR $9.49DR
13/01/2006 Interest (06/01/2006 to 13/01/2006 inclusive) $1,122.72 × 0.01369863% × 8 days = $1.23. 8 $1.23DR $1,133.44DR $1,122.72DR $10.72DR
14/01/2006 Invoice No. 507. Entire amount added to principal. $3,071.38DR $4,204.82DR $4,194.10DR $10.72DR
04/02/2006 Interest (14/01/2006 to 04/02/2006 inclusive) $4,194.10 × 0.01369863% × 22 days = $12.64. 22 $12.64DR $4,217.46DR $4,194.10DR $23.36DR
06/03/2006 Interest (05/02/2006 to 06/03/2006 inclusive) $4,194.10 × 0.01369863% × 30 days = $17.24. 30 $17.24DR $4,234.70DR $4,194.10DR $40.60DR
05/04/2006 Interest (07/03/2006 to 05/04/2006 inclusive) $4,194.10 × 0.01369863% × 30 days = $17.24. 30 $17.24DR $4,251.94DR $4,194.10DR $57.84DR
09/04/2006 Interest (06/04/2006 to 09/04/2006 inclusive) $4,194.10 × 0.01369863% × 4 days = $2.30. 4 $2.30DR $4,254.24DR $4,194.10DR $60.14DR
10/04/2006 Cheque No. 439759. Payment was applied partly to interest ($60.14) and partly to principal ($2,889.86). $2,950.00CR $1,304.24DR $1,304.24DR $0.00DR
05/05/2006 Interest (10/04/2006 to 05/05/2006 inclusive) $1,304.24 × 0.01369863% × 26 days = $4.65. 26 $4.65DR $1,308.89DR $1,304.24DR $4.65DR
25/05/2006 Interest (06/05/2006 to 25/05/2006 inclusive) $1,304.24 × 0.01369863% × 20 days = $3.57. 20 $3.57DR $1,312.46DR $1,304.24DR $8.22DR
26/05/2006 Invoice No. 508. Entire amount added to principal. $7,076.15DR $8,388.61DR $8,380.39DR $8.22DR
04/06/2006 Interest (26/05/2006 to 04/06/2006 inclusive) $8,380.39 × 0.01369863% × 10 days = $11.48. 10 $11.48DR $8,400.09DR $8,380.39DR $19.70DR
05/06/2006 Interest (05/06/2006) $8,380.39 × 0.01369863% × 1 day = $1.15. 1 $1.15DR $8,401.24DR $8,380.39DR $20.85DR
06/06/2006 Interest rate on debit balances changed to 6% per annum (currently 0.01643836% per day). $8,401.24DR $8,380.39DR $20.85DR
04/07/2006 Interest (06/06/2006 to 04/07/2006 inclusive) $8,380.39 × 0.01643836% × 29 days = $39.95. 29 $39.95DR $8,441.19DR $8,380.39DR $60.80DR
14/07/2006 Interest (05/07/2006 to 14/07/2006 inclusive) $8,380.39 × 0.01643836% × 10 days = $13.78. 10 $13.78DR $8,454.97DR $8,380.39DR $74.58DR
15/07/2006 Cheque No. 439760. Payment was applied partly to interest ($74.58) and partly to principal ($1,373.40). $1,447.98CR $7,006.99DR $7,006.99DR $0.00DR
03/08/2006 Interest (15/07/2006 to 03/08/2006 inclusive) $7,006.99 × 0.01643836% × 20 days = $23.04. 20 $23.04DR $7,030.03DR $7,006.99DR $23.04DR
02/09/2006 Interest (04/08/2006 to 02/09/2006 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,064.59DR $7,006.99DR $57.60DR
02/10/2006 Interest (03/09/2006 to 02/10/2006 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,099.15DR $7,006.99DR $92.16DR
01/11/2006 Interest (03/10/2006 to 01/11/2006 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,133.71DR $7,006.99DR $126.72DR
22/11/2006 Interest (02/11/2006 to 22/11/2006 inclusive) $7,006.99 × 0.01643836% × 21 days = $24.19. 21 $24.19DR $7,157.90DR $7,006.99DR $150.91DR
23/11/2006 Cheque No. 439761. Payment applied entirely to interest. $67.74CR $7,090.16DR $7,006.99DR $83.17DR
01/12/2006 Interest (23/11/2006 to 01/12/2006 inclusive) $7,006.99 × 0.01643836% × 9 days = $10.37. 9 $10.37DR $7,100.53DR $7,006.99DR $93.54DR
31/12/2006 Interest (02/12/2006 to 31/12/2006 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,135.09DR $7,006.99DR $128.10DR
30/01/2007 Interest (01/01/2007 to 30/01/2007 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,169.65DR $7,006.99DR $162.66DR
01/03/2007 Interest (31/01/2007 to 01/03/2007 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,204.21DR $7,006.99DR $197.22DR
31/03/2007 Interest (02/03/2007 to 31/03/2007 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,238.77DR $7,006.99DR $231.78DR
30/04/2007 Interest (01/04/2007 to 30/04/2007 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,273.33DR $7,006.99DR $266.34DR
30/05/2007 Interest (01/05/2007 to 30/05/2007 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,307.89DR $7,006.99DR $300.90DR
29/06/2007 Interest (31/05/2007 to 29/06/2007 inclusive) $7,006.99 × 0.01643836% × 30 days = $34.56. 30 $34.56DR $7,342.45DR $7,006.99DR $335.46DR
06/07/2007 Interest (30/06/2007 to 06/07/2007 inclusive) $7,006.99 × 0.01643836% × 7 days = $8.06. 7 $8.06DR $7,350.51DR $7,006.99DR $343.52DR
07/07/2007 Interest rate on debit balances changed to 7% per annum (currently 0.01917808% per day). $7,350.51DR $7,006.99DR $343.52DR
29/07/2007 Interest (07/07/2007 to 29/07/2007 inclusive) $7,006.99 × 0.01917808% × 23 days = $30.91. 23 $30.91DR $7,381.42DR $7,006.99DR $374.43DR
28/08/2007 Interest (30/07/2007 to 28/08/2007 inclusive) $7,006.99 × 0.01917808% × 30 days = $40.31. 30 $40.31DR $7,421.73DR $7,006.99DR $414.74DR
21/09/2007 Interest (29/08/2007 to 21/09/2007 inclusive) $7,006.99 × 0.01917808% × 24 days = $32.25. 24 $32.25DR $7,453.98DR $7,006.99DR $446.99DR
Final Balance 1163 $7,453.98DR $7,006.99DR $446.99DR