Show in excel please.

5.) Graduated Payment Mortgage [10 points] - Create an amortization schedule and answer the following questions for a S600,000 25-year fixed-rate, graduated-payment mortgage loan that is fully-amortizing. The contract interest rate is 4% with monthly payments. Based on the graduated payment structure, the mortgage payment is initially reduced for the first year of the loan. The monthly mortgage payment then increases by 4% at the beginning of the 2nd, 3rd and 4h years. The elevated mortgage payment at the beginning of the 4th year then applies to the remainder of the mortgage term. Assuming no discount points or prepayment penalty, what is the EIR if the mortgage is prepaid in full at the end of year 12? a) b) 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 1 5.) Graduated Payment Mortgage [10 points] - Create an amortization schedule and answer the following questions for a S600,000 25-year fixed-rate, graduated-payment mortgage loan that is fully-amortizing. The contract interest rate is 4% with monthly payments. Based on the graduated payment structure, the mortgage payment is initially reduced for the first year of the loan. The monthly mortgage payment then increases by 4% at the beginning of the 2nd, 3rd and 4h years. The elevated mortgage payment at the beginning of the 4th year then applies to the remainder of the mortgage term. Assuming no discount points or prepayment penalty, what is the EIR if the mortgage is prepaid in full at the end of year 12? a) b) 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 1