The total book value of WTC's equity is $13 million, and book value per share is $26. The stock has a market-to-book ratio of 1.5, and the cost of equity is 15%. The firm's bonds have a face value of $9 million and sell at a price of 110% of face value. The yield to maturity on the bonds is 10%, and the firm's tax rate is 21%. What is the company's WACC? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) WACC : %