A levered firm's cost of equity capital is 15%. The firm has a market value of equity of $15 million and $5 million in outstanding debt at an interest rate of 5%. The corporate tax rate is 35%. What is the firm's WACC? (Do not round intermediate calculations. Round the final answer to 2 decimal places. Omit the % sign in your response. For example, an answer of 15.39% should be entered as 15.39.)