Titan Mining Corporation has 6.1 million shares of common stock outstanding, 210,000 shares of 3.4 percent preferred stock outstanding, and 95,000 bonds with a semiannual coupon rate of 5.1 percent outstanding, par value $1,000 each. The common stock currently sells for $75 per share and has a beta of 1.05, the preferred stock has a par value of $100 and currently sells for $81 per share, and the bonds have 15 years to maturity and sell for 105 percent of par. The market risk premium is 6.8 percent, T-bills are yielding 2.8 percent, and the companys tax rate is 21 percent. What is WACC?

A. 9.28%

B. 9.1%

C. 8.35%

D. 8.68%