Please use excel templet. I don't understand. Please make sure it is clearly organized.

2.) Constant Amortizing Mortgage [25 points] - Create an amortization schedule and answer the following questions for a S600,000 25-year fully-amortizing CAM loan with monthly payments. The contract interest rate on the loan is 4.2% and there are no points associated with the loan a) b) c) Assuming no upfront fees/points or prepayment penalty, what is the EIR if the mortgage is prepaid in full at the end of year 12? Assuming 1 point in origination fees but no prepayment penalty, what is the EIR if the mortgage is prepaid in full at the end of year 12? Assuming the mortgage is prepaid in full at the end of year 12? point in origination fees and a 1% prepayment penalty, what is the EIR if