To estimate the company's WACC, Marshall Inc. recently hired you as a consultant. You have obtained the following information. (1) The firm's non-callable bonds mature in 15 years, have an 7% annual coupon, a par value of $1,000, and a market price of $875. (2) The company's tax rate is 26%. (3) The risk-free rate is 3.8%, the market risk premium is 6.75%, and the stock's beta is 3.25. (4) The target capital structure consists of 50% debt and the balance is common equity. The firm uses the CAPM to estimate the cost of common stock, and it does not expect to issue any new shares. What is its WACC?