A $94,000 mortgage is to be amortized by making monthly payments for 20 years. Interest is 3.5% compounded semi-annually for a seven-year term. (a) Compute the size of the monthly payment. (b) Determine the balance at the end of the seven-year term. (c) If the mortgage is renewed for a seven-year term at 6% compounded semi-annually, what is the size of the monthly payment for the renewal term