Susan borrowed $5000. The terms of the loan were equal monthly payments at 12% compounded monthly for 3 years. After making payments for 1 year,...

Susan borrowed $5000. The terms of the loan were equal monthly payments at 12% compounded monthly for 3 years. After making payments for 1 year, Susan decided to pay off the balance of the loan.

a.) What was Susan's monthly payment?

b.) How much must Susan pay at the end of 1 year to pay off the balance of the loan?

c.) How much interest did Susan save by repaying the loan in 1 year?