Gaucho Services starts life with all-equity financing and a cost of equity of 16%. Suppose it refinances to the following market-value capital structure: at rp - 10.30 Debt (D) Equity (8) 426 584 Use MM's proposition 2 to calculate the new cost of equity, Gaucho pays taxes at a marginal rate of To 40%. 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