Take It All Away has a cost of equity of 10.72 percent, a pretax cost of debt of 5.39 percent, and a tax rate of 21 percent. The company's capital structure consists of 74 percent debt on a book value basis, but debt is 34 percent of the company's value on a market value basis. What is the company's WACC?

8.52% 11.12% 9.50% 8.91% 7.23%