Gold Inc. has a capital structure with 50 percent common stock, 5 percent preferred stock and 45 percent in debt. Its cost of common stock is 17%, the cost of preferred stock is 10 percent and the after tax cost of debt is 5.5%. What is the WACC given a tax rate of 21 percent?

a. 10.96%

b. 11.48%

c. 11.38%

d. 11.02%