Global Technologys capital structure is as follows:

Debt	35	%
Preferred stock	15
Common equity	50

The aftertax cost of debt is 6.5 percent; the cost of preferred stock is 10 percent; and the cost of common equity (in the form of retained earnings) is 13.5 percent.

Calculate Global Technologys weighted cost of each source of capital and the weighted average cost of capital.