Mullineaux Corporation Has a Target Capital Structure of 41 Percent

Mullineaux Corporation has a target capital structure of 41 percent common stock,4 percent preferred stock,and 55 percent debt.Its cost of equity is 18 percent,the cost of preferred stock is 6.5 percent,and the pre-tax cost of debt is 8.5 percent.What is the firm's WACC given a tax rate of 39 percent?

A) 9.87 percent
B) 10.43 percent
C) 10.49 percent
D) 13.38 percent
E) 15.17 percent