the target capital structure for QM Industries is 44% commonstock 12% preferred

the target capital structure for QM Industries is 44% commonstock 12% preferred stock and 44% debt. If the cost ofcommon equity for the firm is 18.9% the cost of preferred stock os10.1% the before-tax cost of debt is 7.8% and the firms tax rateis 35% what is this companys weighted average cost of capital %?(wacc)