to pay for art school, lamar borrowed money from his credit union.
he took out a personal, amortized loan for %57,500, at an interest rate of 5.4%, with monthly payments for a term of 15 years.

for each part, do not round any intermediate computations and round your final answers to the nearest cent.
if necessary, refer to the list of financial formulas.

(a) find lamar's monthly payment.

(b) if lamar pays the monthly payment each month for the full term, find his total amount to repay the loan.

(c) if lamar pays the monthly payment each month for the full term, find the total amount of interest he will pay.