Erica purchased a house for $450,000. She made a down payment of 25.00% of the value of the house and received a mortgage for the rest of the amount at 6.02% compounded semi-annually amortized over 25 years. The interest rate was fixed for a 3 year period. a. Calculate the monthly payment amount. Round to the nearest cent b. Calculate the principal balance at the end of the 3 year term. Round to the nearest cent c. Calculate the monthly payment amount if the mortgage was renewed for another 3 years at 5.92% compounded semi-annually