Bluefield Corporation has 6 million shares of common stock outstanding, 600,000 shares of preferred stock that pays an annual dividend of $8, and 200,000 bonds with a 10 percent coupon (semiannual interest) and 20 years to maturity. At present, the common stock is selling for $50 per share, the bonds are selling for $950.62 per $1,000 of face value, and the preferred stock is selling at $74 per share. The estimated market return is 13%, the risk free rate is 8%, and Bluefield's beta is 1.4 . Bluefield's tax rate is 30 percent. What is Bluefield's weighted average cost of capital (WACC)