A $180,000 mortgage is to be amortized by making end of the month payments for 25 years. Interest is 5.62% compounded semi-annually for a four-year term. (a) Compute the size of the monthly payment. (b) Determine the balance at the end of the four-year term. (C) If the mortgage is renewed for a five-year term at 5.30% compounded semi-annually, what is the size of the monthly payment for the renewal term