16 The Rose Company has the following capital components and costs. The tax rate for Rose is 40%, Component Debt Preferred Stock 7,500 Common Equity 10,000 Valuc 15,500 Ater-tax Cost 10% 12% 14% What is Rosc's weighted average cost of capital? 1. b. c. d. 11 ,67% 12.41% 13.73% 14.55%