A $85,000 mortgage is to be amortized by making monthly payments for 15 years. Interest is 3.3% 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 3% compounded semi-annually, what is the size of the monthly payment for the renewal term