Northwest Utility Company faces increasing needs for capital. Fortunately, it has an Aa3 credit rating. The corporate tax rate is 35 percent. Northwest's treasurer is trying to determine the corporation's current weighted average cost of capital in order to assess the profitability of capital budgeting projects Historically, the corporation's earnings and dividends per share have increased about 62 percent annually and this should continue in the future. Northwest's common stock is selling at $63 per share, and the company will pay a $550 per share dividend (0) The company's $94 preferred stock has been yielding 7 percent in the current market Flotation costs for the company have been estimated by its investment banker to be $5.00 for preferred stock The company's optimum capital structure is 45 percent debt, 25 percent preferred stock, and 30 percent common equity in the form of retained earnings. Refer to the following table on bond issues for comparative yields on bonds of equal risk to Northwest Data on Bond Tamen Moody's Issue Rating Price Maturity Ucilities Southwest electric power-.7112023 A $0.10 3.648 Pacitio bell7 3/8 2023 Pengayavania power light-- 12.2022 Industriala: Johnson & Johnson-- 3/4 2033 Dard's Departat Store-7 1/8 2025 Marriott Corp.-10 2015 Yield to 18.03 22 390.25 965.66 0.66 AAN 870.24 011 0.33 A 950 32 1020:10 9.96 a. Compute the cost of debt, Ka (Use the accompanying table-relate to the utility bond credit rating for yield) (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Cost of de b. Compute the cost of preferred stock, Kp (Do not round intermediate calculations. Input your answer os a percent rounded to 2 decimal places.) Cost of preferred stock c. Compute the cost of common equity in the form of retained earnings K. (Do not round intermediate calculations. Input your Antal d. Calculate the weighted cost of each source of capital and the weighted average cost of capital (Do not round intermediate calculations. Input your answers as a percent rounded to 2 decimal places.) Weighted Cost Debt Preferred stock Common equity Weighted average cost of capital