The Lever Crowbar Company has a target capital structure of 70 percent debt and 30 percent equity with no preferred stock. The firm doesnt plan to raise equity capital beyond next years retained which have a cost of 15%. Debt costs the company 8 percent before taxes of 40%. What is Levers weighted average cost of capital. a. 4.50% b. 7.86% c. 14.0% d. 7.60%