Given:
Loan Amount: $23,000
Loan Terms: 60 months = n
Interest Rate: 8.7% =
Monthly Loan Payment Formula:
Monthly Loan Payment =
Substitute given values into Monthly Payment Formula:
Monthly Loan Payment =
Monthly Loan Payment = $474.10 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $474.10 * 60 = $28,446
Interest Cost = Total Cost – Loan Amount
Interest Cost = $28,446 – $23,000 = $5,446
Loan Amount: $23,000
Loan Terms: 60 months = n
Interest Rate: 8.7% =
8.7/100
= 0.087 = 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 =
23,000 *
0.087
/
12
/
1 – ( 1+ 0.087/12
) -60
Monthly Loan Payment = $474.10 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $474.10 * 60 = $28,446
Interest Cost = Total Cost – Loan Amount
Interest Cost = $28,446 – $23,000 = $5,446