The total book value of WTC's equity is $15 million, and book value per share is $30. The stock has a market-to-book ratio of 1.5, and the cost of equity is 10%. The firm's bonds have a face value of $12 million and sell at a price of 110% of face value. The yield to maturity on the bonds is 6%, 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.)