Should be done in Excel please

The same firm is considering the following projects to improve its production process. I the firm has a capital budget of $750,000, which projects should be accepted by the rate of return criteria? What is the firm's opportunity cost of capital? Project First Cost Annual Benefit Life (years) 1 $250,000 2 $300,000 3 $100,000 4 75,000 5 $250,000 6 $200,000 7 $400,000 $50,000 S70,000 10 $35,000 $18,500 10 $75,000 $32,000 20 15 $125,000 5