You were hired as a consultant to XYZ Company, whose target capital structure is 30% debt, 8% preferred, and 62% common equity. The interest rate on new debt is 6.30%, the yield on the preferred is 5.40%, the cost of common from retained earnings is 16.80%, and the tax rate is 40.00%. The firm will not be issuing any new common stock. What is XYZ's WACC? Answer is either: a). 11.98% b). 10.30% c). 14.62% d). 9.23% e). 9.95%