Billick Brothers is estimating its WACC. The company has collected the following information: Its capital structure consists of 33 percent debt and 67 percent common equity. The company has 10 -year bonds outstanding with a 7 percent annual coupon that are trading at par. The company's tax rate is 33 percent. The risk-free rate is 5.4 percent. The market risk premium is 3.1 percent. The stock's beta is 1.5. What is the company's WACC? 8.28% 7.98% 7.68% 8.58% 8.88%