Megan purchased a house for $475,000. She made a down payment of 10.00% of the value of the house and received a mortgage for the rest of the amount at 4.62% compounded semi-annually amortized over 20 years. The interest rate was fixed for a 3 year period. a. Calculate the monthly payment amount. $0.00 Round to the nearest cent b. Calculate the principal balance at the end of the 3 year term. $0.00 Round to the nearest cent C. Calculate the monthly payment amount if the mortgage was renewed for another 3 years at 4.62% compounded semi-annually? Round to the nearest cent