BAC Mining Corporation has 8.5 million shares of common stock outstanding and 290,000 4.7 percent semiannual bonds outstanding, par value $1,000 each. The common stock currently sells for $33 per share and has a beta of 1.25; the bonds have a yield to maturity of 3.06% and sell for 114 percent of par. The market risk premium is 7.3 percent, T-bills are yielding 6 percent, and the companys tax rate is 25 percent. What is the company's WACC?

Group of answer choices

8.18%

4.74%

8.85%