Billick Brothers if estimating its WACC. The company has collected the following information: Its capital structure consists of 15 percent debt and 85 percent common equity. The company has 10 -year bonds outstanding with a 7.7 percent annual coupon that are trading at par. The company's tax rate is 30 percent. The risk-free rate is 5.9 percent. The market risk premium is 3.7 percent. The stock's beta is 0.8 . What is the company's WACC? 7.44% 8.04% 7.74% 8.34% 8.64%