Western Electric Ulitity Company faces increasing needs for capilal. Fortunately, it has an A flow) credit rating. The corporate tax rate is 35 percent. Western's treasurer is tying to determine the corporation's current weighted average cost of copital to assess the profitability of cap tal budgeting projects. Historically, the corporation's eamings and dividends per share huve increosed at about a 4.6 percent annual rate. Westem Electric's common stock is selling at $69 per share, and the company will pay a $6.20 per share dividend (D1). The company's $106 preferred stock has been yielding 6 percent in the current market. Flotation costs for the company have been estimated by its investment dealer to be $4.00 for preferred stock. The companys optimum capital structure is 35 percent debt, 10 . percent preferred stock, and 55 percent common equity in the form of retained earnings. Refer to the table below on bond issues for comparative yields on bonds of equal risks to Westem Electric, maturing in 2038. a. Compute the cost of debt, Kd. (Input your answer as a percent rounded to 2 decimal places.) Cost of debt b. Compute the cost of preferred stock, Kp. (Input your answer as a percent rounded to 2 decimal places.) Cost of preferred stock c. Compute the cost of common equity in the form of retained earnings, Ke. (Input your answer as a percent rounded to 2 decimal places.) Cost of common equity d. Compute the weighted average cost of capital. (input your answer as a percent rounded to 2 decimal places.)