3. Earthway Corporation has target capital structure of 60 percent common stock, 5 percent preferred stock and 35 percent debt. Its cost of equity is 12.5 percent, the cost of preferred stock is 5.5 percent and the cost of debt is 7.2 percent. The tax rate is 35 percent. What is Earthway Corporation’s weighted average cost of capital? SHOW ALL WORK FOR THIS ANSWER.