Braxton Corp. currently has one million shares outstanding but no debt. If needed, however, the company can borrow at 6.2 percent interest. The company's WACC is currently 8 percent and the tax rate is 35 percent. a. What is the company's cost of equity? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. If the firm converts to 20 percent debt, what will its cost of equity be? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) c. If the firm converts to 50 percent debt, what will its cost of equity be? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) d-1 If the firm converts to 20 percent debt, what is the company's WACC? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) d-2 If the firm converts to 50 percent debt, what is the company's WACC? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)