Kindly help me with this

5. Part 1 A firm has the current liabilities and equity financing on its balance sheet shown below. The firm has taxable income that puts it in the state's 9.5% income tax bracket, and it pays the federal 21% income tax rate. Compute the firm's weighted average cost of capital. Source Amount Interest/RoR Proportion Short-term loan $ 2,200,000 8.5% 0.021 Long-term loan $18,700,000 6.5% 0.177 Retained Earnings $35,200,000 18.0% 0.333 Common stock $49,500,000 22.0% 0.469 Part 2 The same firm is considering the following projects to improve its production process. If the firm has a capital budget of $1,200,000, 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) $175,000 $ 45,000 10 $250,000 $ 62,500 12 $125,000 $ 48,000 5 $ 75,000 $ 19,800 10 -JOUAWN $375,000 $123,000 5 $200,000 $ 41,500 15 $500,000 $198,000 Part 3 From your estimates of the WACC in part 1 and the opportunity cost of capital in part 2, what do you estimate the firm's true MARR to be