Welling Inc. has a target debtequity ratio of 0.85. Its WACC is 9.2%, and the tax rate is 35%. a. If the companys cost of equity is 14%, what is its pre-tax cost of debt? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Cost of debt % b. If instead you know that the after-tax cost of debt is 6.8%, what is the cost of equity? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Cost of equity %