Take It All Away has a cost of equity of 10.93 percent, a pretax cost of debt of 5.48 percent, and a tax rate of 22 percent. The company's capital structure consists of 73 percent debt on a book value basis, but debt is 39 percent of the company's value on a market value basis. What is the company's WACC?

a. 11.81%

b. 9.21%

c. 9.39%

d. 8.80%

e. 8.33%