Contractual Engineering Incorporated (GEI) has a capital structure which is based on 40 percent debt, 5 percent preferred stock, and 55 percent common stock. The pre-tax cost of debt is 7.5 percent,...

Contractual Engineering Incorporated (GEI) has a capital structure which is based on 40 percent debt, 5 percent preferred stock, and 55 percent common stock. The pre-tax cost of debt is 7.5 percent, the cost of preferred is 9 percent, and the cost of common stock is 13 percent. The company's tax rate is 39 percent. What is the company's WACC?