(Related to Checkpoint 14.1) (Weighted average cost of capital) The target capital structure for QM Industries is 37 percent common stock, 7 percent preferred stock, and 56 percent debt. If the cost of common equity for the firm is 18.8 percent, the cost of preferred stock is 10.4 percent, the before-tax cost of debt is 7.2 percent, and the firm's tax rate is 35 percent, what is QM's weighted average cost of capital? QM's weighted average cost of capital is %. (Round to three decimal places.)