please also show formulas used to get results

Questions a) Compute the NPW and IRR for both options at MARR =12%. b) Based on the metrics computed in question a, which option would be selected? c) BC is considering financing 40% of the project's initial investment at an interest rate of 9% compounded monthly. If BC pays annual installments and the required repayment period is 10 years, determine the loan amortization schedule. Note: use the project selected in question a