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Ald William purchased a house for $475,000. He made a down payment of 25.00% of the value of the house and received a mortgage for the rest of the amount at 5.52% compounded semi-annually amortized over 15 years. The interest rate was fixed for a 5 year period. a. Calculate the monthly payment amount. $2,902.84 Round to the nearest cent b. Calculate the principal balance at the end of the 5 year term. $0.00 Round to the nearest cent C. Calculate the monthly payment amount if the mortgage was renewed for another 5 years at 4.92% compounded semi-annually? $0.00