please show work, will upvote for correct answers

Gaucho Services starts life with all-equity financing and a cost of equity of 12%. Suppose it refinances to the following markei-value capital structure Use MM's proposition 2 to calculate the new cost of equity. Gaucho pays taxes at a marginal rate of Tc=35%. Calculate Gaucho's aftertax weighted-average cost of capital. (Do not round intermediate calculotions. Enter your answer as a percent rounded to 2 decimal places.)