Current Attempt in Progress Suppose the weighted average cost of capital of the Oriole Company is 10 percent. If Oriole has a capital structure that is 50 percent debt and 50 percent equity, its before-tax cost of debt is 7 percent, and its marginal tax rate is 20 percent, determine cost of equity capital. (Round intermediate calculations to 2 decimal places, eg. 1.25 and final answer to 1 decimal place, es. 15.2.) Cost of Equity Capital