Targent Corporation has a target capital structure of 60 percent common stock, 5 percent preferred stock, and 35 percent debt. Its cost of common stock is 11 percent, the cost of preferred stock is 6 percent, and the pretax cost of debt is 5 percent. The relevant tax rate is 21 percent. What is WACC? 8.77% 8.28% 9.82% 6.75%