The target capital structure for QM industries is 44% commonstock 7% preferred s

The target capital structure for QM industries is 44% commonstock 7% preferred stock and 49% debt. If the cost of commonequity for the firm is 17.8% the cost of preferred stock is 9.3%the before tax cost of debt is 7.6% and the firms tax rate is 35%what is QMs weighted average cost of capital?