Phillips Equipment has 80,000 bonds outstanding that are selling at par. Bonds with similar characteristics are yielding 7.5 percent. The company also has 750,000 shares of 7 percent preferred stock and 2.5 million shares of common stock outstanding. The preferred stock sells for $50 a share. The common stock has a beta of 1.34 and sells for $42 a share. The cost of equity is 14.06 percent. The corporate tax rate is 38 percent. What is the firm's weighted average cost of capital?