Bargeron Corporation has a target capital structure of 63 percent common stock, 8 percent preferred stock, and 29 percent debt. Its cost of equity is 13.3 percent, the cost of preferred stock is 6.3 percent, and the pretax cost of debt is 8 percent. The relevant tax rate is 38 percent. a. What is the companys WACC? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) WACC % b. What is the aftertax cost of debt? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Aftertax cost of debt %