Phillips Equipment has 6,500 bonds outstanding with $1,000 face value that are selling at 96.5 percent of par. Bonds with similar characteristics are yielding 6.7 percent, pretax. The company also has 48,000 shares of 5.5 percent preferred stock and 75,000 shares of common stock outstanding. The preferred stock sells for $64 per share. The common stock has a beta of 1.32 and sells for $41 per share. The preferred stock has a stated value of $100. The U.S. Treasury bill is yielding 2.2 percent and the return on the market is 10.6 percent. The corporate tax rate is 21 percent.

What is the weighted average cost of capital?