Need help with APR excel

1. Origination Fees and Discount Points without Prepayment A lender is offering a 30-year, monthly payment fixed rate mortgage (FRM) loan at 4.5% with an $800 origination fee und 2.5 discount points. A borrower wants a loan for $538,000. What is the yield to the lender, the effective borrowing cost to the borrower, and the APR assuming the loan is held to maturity? Use both the IRR and RATE functions in the green highlighted cells as indicated. Loan Amount Annual Interest Rate Origination Fee Discount Points Maturity (in years) Periods per year 5538,000.00 4.5096 $800.00 2.50% 30 12 Using IRR Function Yield to Lender Effective borrowing cost to borrower APR 4.7394 4.73% 4.73% Using RATE Function Yield to Lender Effective borrowing cost to borrower APR 4.73% 4.73% 4.73% Month Cash Flow 0 -S523.750,00 1 $2.725.97 2 $2,725.97