The interest rate for the first five years of a $120,000 mortgage is 4.15% compounded semiannually. Monthly payments are based on a 25year amortization. If a $5000 prepayment is made at the end of the second year: Bound to 2 decimals (eg 1255.545 --> 125.55). Do NOT put $ a) How much will the amortization period be shortened? ':| year and b) What will be the principal balance at the end of the fiveyear term? $ ':|