The target capital structure for Jowers Manufacturing is 51 percent common? stock, 14 percent preferred? stock, and 35 percent debt. If the cost of common equity for the firm is 20.3 ?percent, the cost of preferred stock is 12.5 ?percent, and the? before-tax cost of debt is 9.2 percent, what is? Jowers' cost of? capital? The? firm's tax rate is 34 percent.