Billick Brothers is estimating its WACC. The company has collected the following information: Its capital structure consists of 38 percent debt and 62 percent common equity. The company has 12-year bonds outstanding with a 7.2 percent annual coupon that are trading at par. The company's tax rate is 35 percent. The risk-free rate is 5.7 percent. The market risk premium is 2.3 percent. The stock's beta is 1. What is the company's WACC? 5.74% O7.24% O 7.74% 6.24% 6.74%