1.Kelso's has a debt-equity ratio of 0.55 and a tax rate of 35 percent. The firm does not issue preferred stock. The cost of equity is 14.5 percent and the aftertax cost of debt is 4.8 percent. What is the weighted average cost of capital?

A. 10.46 percent

B. 10.67 percent

C. 11.06 percent

D.11.57 percent

How do i work out this problem?