Compute WACC, given the following: 4.17% cost of debt, 9.79% cost of preferred stock and 14.11% cost of equity. The company faces a 24% tax rate and has a capital structure with 36% debt, 6% preferred stock, and the remainder coming from common stock. (Enter your answer as a percent with 2 decimal places but without the % symbol. For example, if you compute 25.00%, enter 25.00)