Given:
Loan Amount: $11,500
Loan Terms: 36 months = n
Interest Rate: 7% =
Monthly Loan Payment Formula:
Monthly Loan Payment =
Substitute given values into Monthly Payment Formula:
Monthly Loan Payment =
Monthly Loan Payment = $355.09 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $355.09 * 36 = $12,783.24
Interest Cost = Total Cost – Loan Amount
Interest Cost = $12,783.24 – $11,500 = $1,283.24
Loan Amount: $11,500
Loan Terms: 36 months = n
Interest Rate: 7% =
7/100
= 0.07 = 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 =
11,500 *
0.07
/
12
/
1 – ( 1+ 0.07/12
) -36
Monthly Loan Payment = $355.09 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $355.09 * 36 = $12,783.24
Interest Cost = Total Cost – Loan Amount
Interest Cost = $12,783.24 – $11,500 = $1,283.24