You were hired as a consultant to Delta State Laundry Services, whose target capital structure is 55% debt, 10% preferred, and 35% common equity. The interest rate on new debt is 6.5%, the yield on the preferred stock is 6%, the cost of retained earnings is 11.25%, and the tax rate is 35%. The firm will not be issuing any new stock. What is Delta State Laundry Services WACC?