a. Shadow Corp. has no debt but can borrow at 5.5 percent. The firm's WACC is currently 9 percent and the tax rate is 21 percent. What is the company's cost of equity? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. If the firm converts to 40 percent debt, what will its cost of equity be? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) If the firm converts to 70 percent debt, what will its cost of equity be? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) d-1. If the firm converts to 40 percent debt, what is the company's WACC? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) d-2. If the firm converts to 70 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.) a. Cost of equity b. Cost of equity b. Cost of equity d-1. WACC d-2. WACC % % % % %