Global Company's capital structure is the following- Debt.35% Preferred Stock.15% Common equity.50% The aftertax cost of debt is 6.

Global Company's capital structure is the following-

Debt..............................35%

Preferred Stock......15%

Common equity........50%

The aftertax cost of debt is 6.5%; the cost of preferred stock is 10%, and the cost of common equity (in the form of retained earnings) is 13.5 percent. Calculate Global Technology's weighted average cost of capital?