Given:
Loan Amount: $13,900
Loan Terms: 36 months = n
Interest Rate: 6% =
Monthly Loan Payment Formula:
Monthly Loan Payment =
Substitute given values into Monthly Payment Formula:
Monthly Loan Payment =
Monthly Loan Payment = $422.86 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $422.86 * 36 = $15,222.96
Interest Cost = Total Cost – Loan Amount
Interest Cost = $15,222.96 – $13,900 = $1,322.96
Loan Amount: $13,900
Loan Terms: 36 months = n
Interest Rate: 6% =
6/100
= 0.06 = 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 =
13,900 *
0.06
/
12
/
1 – ( 1+ 0.06/12
) -36
Monthly Loan Payment = $422.86 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $422.86 * 36 = $15,222.96
Interest Cost = Total Cost – Loan Amount
Interest Cost = $15,222.96 – $13,900 = $1,322.96