A $152,000 mortgage loan at 4.8% compounded monthly requires monthly payments during its 25-year amortization period. (Do not round the intermediate calculations. Round your answers to 2 decimal places.) a. Calculate the monthly payments rounded to the cent. PMT is $ b. Calculate the balance owing on the loan after eight years using the Retrospective Method. After 8 years of payments, the balance outstanding on the loan is $