- X Data Table (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Source of capital Weight Long-term debt 50 % Preferred stock 10 Common stock equity 40 Total 100 % Print Done a. Calculate the after-tax cost of debt. b. Calculate the cost of preferred stock. c. Calculate the cost of common stock. d. Calculate the firm's weighted average cost of capital using the capital structure weights shown in the following table, (Round answer to the nearest 0.01%) a. The after-tax cost of debt using the approximation formula is %. (Round to two decimal places.) The after-tax cost of debt using the bond's yield to maturity (YTM) is %. (Round to two decimal places.) b. The cost of preferred stock is %. (Round to two decimal places.) C. The cost of retained earnings is %. (Round to two decimal places.) The cost of new common stock is %. (Round to two decimal places.) d. Using the cost of retained earnings, the firm's WACC is %. (Round to two decimal places.) Using the cost of new common stock, the firm's WACC is %. (Round to two decimal places.) Enter your answer in each of the answer boxes