Given:
Loan Amount: $22,000
Loan Terms: 3 years = 36 months = n (convert years to months)
Interest Rate: 7% =
Monthly Loan Payment Formula:
Monthly Loan Payment =
Substitute given values into Monthly Payment Formula:
Monthly Loan Payment =
Monthly Loan Payment = $679.30 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $679.30 * 36 = $24,454.80
Interest Cost = Total Cost – Loan Amount
Interest Cost = $24,454.80 – $22,000 = $2,454.80
Loan Amount: $22,000
Loan Terms: 3 years = 36 months = n (convert years to months)
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 =
22,000 *
0.07
/
12
/
1 – ( 1+ 0.07/12
) -36
Monthly Loan Payment = $679.30 ( rounded to two decimal places)
Notes:
Total Cost = Monthly Loan Payment * Number of Payments
Total Cost = $679.30 * 36 = $24,454.80
Interest Cost = Total Cost – Loan Amount
Interest Cost = $24,454.80 – $22,000 = $2,454.80