please answer

a The Martineres are planning to refinance their home. The outstanding balance on their original loan is $200,000. Their finance company has offered them two options. (Assume there are no addit finance charges. Round your answers to the nearest cent.) Option A: A fixed-rate mortgage at an interest rate of 3.sw/year compounded monthly payable over a 25-year period in 300 equal monthly installments. Option : A wed-rate mortgage at an interest rate of 3.25/year compounded monthly payable over a 15-year period in 180 equal monthly instaliments (a) Find the monthly payment required to amortize each of these loans over the We of the loan option A option $ (b) How much interest would the Martinezes save if they chose the 15 year mortgage instead of the 25-year mortgage