You were hired as a consultant to Quigley Company, whose target capital structure is 35% debt, 10% preferred, and 55% common equity. The interest rate on new debt is 6.50%, the yield on the preferred is 6.00%, the cost of retained earnings is 13.25%, and the tax rate is 40%. The firm will not be issuing any new stock. What is Quigley's WACC?

A. 11.20% B. 9.99% C. 9.16% D. 9.25% E. 9.44%