HavertownAudio has an outstanding bond issue with an total par value of $100 million. The bonds are selling at a quoted price of 110% of par value and have a yield to maturity of 5.65%. The company also has 8 million shares of common stock outstanding. The stock has a beta of 1.3 and sells for $30 per share. The yield on 10 year U.S. Treasury bonds is 3% and the market risk premium is 7%. HavertownAudio has a tax rate of 21%. What is the company's weighted average cost of capital?

A.8.10 %

B.9.70 %

C.10.48 %

D.11.31 %

E.11.88 %