The Tyler Oll Company's capital structure is as follows: Debt Preferred stock Common equity 258 20 55 The aftertax cost of debt is 8 percent; the cost of preferred stock is 11 percent; and the cost of common equity (in the form of retained earnings) is 14 percent Calculate Tyler Oil Company's weighted average cost of capital in a manner similar to Table 11:1. (Round the final answers to 2 decimal places.) Weighted Cost Debt (d) Preferred stock (Kp) Common equity (kel (retained earnings) Weighted average cost of capital (Kal