Gaucho Services starts life with all-equity financing and a cost of equity of 14%. Suppose it refinances to the following market value capital structure: at rp = 9.4% Debt (D) Equity (E) 45% 55% Use MM's proposition 2 to calculate the new cost of equity. Gaucho pays taxes at a marginal rate of Tc = 30%. Calculate Gaucho's after-tax weighted average cost of capital. (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) After-tax WACC