Sunrise, Incorporated, is trying to determine Its cost of debt. The firm has a debt Issue outstanding with 21 years to maturity that is quoted at 95 percent of face value. The Issue makes semiannual payments and has an embedded cost of 5 percent annually. a. What is the company's pretax cost of debt? (Do not round Intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. If the tax rate is 25 percent, what is the aftertax cost of debt? (Do not round Intermedlate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) a. Pretax cost of debt %% b. Aftertax cost of debt Ninecent Corporation has a target capital structure of 60 percent common stock, 5 percent preferred stock, and 35 percent debt. Its cost of equity is 13 percent, the cost of preferred stock is 6 percent, and the pretax cost of debt is 7 percent. The relevant tax rate is 25 percent. 4. What is the company's WACC? (Do not round Intermedlate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What is the aftertax cost of debt? (Do not round Intermedlate calculatlons and enter your answer as e percent rounded to 2 decimal places, e.g., 32.16.)