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Use the United States rule to determine the balance due on the note at the date of maturity.

Details:
- Principal: [tex]$2000
- Interest Rate: 5%
- Effective Date: April 1
- Partial Payment: $[/tex]1000 on May 1
- Maturity Date: June 1

Click the icon to view a table of the number of the day of the year for each date.


Sagot :

To solve this problem using the United States rule, we need to follow these steps:

1. Identify Key Dates and Values:
- Principal: [tex]$2000 - Annual Interest Rate: 5% (0.05 as a decimal) - Effective Date: April 1 (91st day of the year) - Partial Payment Date: May 1 (121st day of the year) - Maturity Date: June 1 (152nd day of the year) - Partial Payment Amount: $[/tex]1000

2. Calculate the Number of Days from the Effective Date to the Partial Payment Date:
- Partial Payment Date (May 1) - Effective Date (April 1) = 121 - 91 = 30 days

3. Calculate Accrued Interest from the Effective Date to the Partial Payment Date:
- Using the formula for simple interest:
[tex]\[ \text{Interest} = \frac{\text{Principal} \times \text{Rate} \times \text{Time}}{365} \][/tex]
- Here, Principal = [tex]$2000, Rate = 0.05, and Time = 30 days: \[ \text{Interest} = \frac{2000 \times 0.05 \times 30}{365} = 8.219178082191782 \] 4. Calculate the Remaining Principal after the Partial Payment: - Add the accrued interest to the principal: \[ 2000 + 8.219178082191782 = 2008.2191780821918 \] - Subtract the partial payment: \[ 2008.2191780821918 - 1000 = 1008.2191780821918 \] 5. Calculate the Number of Days from the Partial Payment Date to the Maturity Date: - Maturity Date (June 1) - Partial Payment Date (May 1) = 152 - 121 = 31 days 6. Calculate Accrued Interest on Remaining Principal till Maturity Date: - Using the formula for simple interest again: \[ \text{Interest} = \frac{\text{Remaining Principal} \times \text{Rate} \times \text{Time}}{365} \] - Here, Remaining Principal = $[/tex]1008.2191780821918, Rate = 0.05, and Time = 31 days:
[tex]\[ \text{Interest} = \frac{1008.2191780821918 \times 0.05 \times 31}{365} = 4.281478701444924 \][/tex]

7. Calculate the Balance Due at the Date of Maturity:
- Add the accrued interest on the remaining principal to the remaining principal:
[tex]\[ 1008.2191780821918 + 4.281478701444924 = 1012.5006567836367 \][/tex]

Thus, the balance due on the maturity date is $1012.50 (rounded to two decimal places).