a. 9.43% b. 10.05% c. 12.32% d. 13%

The aftertax cost of debt for Alliance Intl., is 5.2%. The company also has cost of preferred stock of 8%, cost of internal equity of 13% and cost of external equity of 14%, what would be the weighted average cost of capital for this company if the weights of all four sources named above is 0.25 each