Compute WACC, given the following: 5.08% cost of debt, 9.44% cost of preferred stock and 12.7% cost of equity. The company faces a 21% tax rate and has a capital structure with 38% debt, 8% 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)