Given:
Loan Amount: $5,000
Loan Terms: 8 months = n
Interest Rate: 6.99% =
Monthly Loan Payment Formula:
Monthly Loan Payment =
Substitute given values into Monthly Payment Formula:
Monthly Loan Payment =
Monthly Loan Payment = $641.49 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $641.49 * 8 = $5,131.92
Interest Cost = Total Cost – Loan Amount
Interest Cost = $5,131.92 – $5,000 = $131.92
Loan Amount: $5,000
Loan Terms: 8 months = n
Interest Rate: 6.99% =
6.99/100
= 0.0699 = r (convert percent to a decimal)Monthly Loan Payment Formula:
Monthly Loan Payment =
Loan Amount *
r
/
12
/
1 – ( 1+ r/12
) -n
Substitute given values into Monthly Payment Formula:
Monthly Loan Payment =
5,000 *
0.0699
/
12
/
1 – ( 1+ 0.0699/12
) -8
Monthly Loan Payment = $641.49 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $641.49 * 8 = $5,131.92
Interest Cost = Total Cost – Loan Amount
Interest Cost = $5,131.92 – $5,000 = $131.92