10. You were hired as a consultant to Quigley Company, whose target capital structure is 40% debt, and 60% common equity. The interest rate on new debt is 6.50%, the cost of retained earnings is 14.75%, and the tax rate is 40%. a. What is Quigley's after-tax cost of debt? 11 A b. What is Quigley's WACC? int that has the following