Please, I need help answering and solving questions 16-21 (showing the work). Thank you!

16. Which of the following must be considered in computing the terminal value of a project? operating cash flow for the final year - B) after-tax proceeds from the sale of the new asset C) before-tax proceeds from the sale of an old asset D) before-tax proceeds from the sale of the new asset - 17. A corporation pays a tax rate of 21 percent, therefore the after-tax cost of debt for a 15-year, 10 percent, semi-annual $1,000 par value bond, selling at $925 is_ A) 8.71 percent B) 10.76 percent C) 7.08 percent D) 5.51 percent 18. Which of the following conditions increases a firm's business risk? A) Its sales have become more stable AB) New firms and products have entered the market C) Demand for its products has become more stable D) Its input costs have fallen 19. At lower tax rates, depreciation is A) more beneficial. B) unaffected C) less beneficial D) none of the above 20. Johnson Production Company paid a dividend yesterday of $3.50 per share. The dividend is expected to grow at a constant rate of 10% per year. The price of Johnson's common stock today is $40 per share. If they decide to issue new common stock, flotation costs will equal $4.00 per share. The tax rate is 21%. Based on the above information, the cost of retained earnings is PA) 16.41%. 3.50 x( 14 13% 0.1 B) 10.09% / 19.63%. 40 2 + X 0,1 )/90 D) 17.55%. 5.50(1. 1 0 .1 toe tobt (2,1 (1.1)) 140 7 tool 400 21. Consider projects, A and B, where the firm can only choose one. Project A costs $750 and has cash flows of $425 in each of the next 2 years. Project B also costs $750, and generates cash flows of $540,00 and $355 for the next 2 years, respectively. Which investment should the firm choose if the cost of capital is 10 percent? A) Project A, since it has a higher NPV than Project B B) Project B, since it has a higher NPV than Project A C) Project A, since it has a lower NPV than Project B D) Reject both projects