Weston Industries has a debt-equity ratio of 1.4. Its WACC is 8.4 percent, and its cost of debt is 6.1 percent. The corporate tax rate is 21 percent. a. What is the companys cost of equity capital? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) b. What is the companys unlevered cost of equity capital? (Do not round intermediate calculations and enter your answer