Billick Brothers is estimating its WACC. The company has collected the following information: Its capital structure consists of 46 percent debt and 54 percent common The company has 19-year bonds outstanding with a 7.3 percent annual equity. nts coupon that are trading at par. The company's tax rate is 31 percent. The risk-free rate is 5.3 percent. The market risk premium is 2.8 percent. The stock's beta is 2. What is the company's WACC? or7.20% 7.70% Or 8.70% 8.20% 6.70%