Ford Motor Company is discussing new ways to recapitalize the firm and raise additional capital. Its current capital structure has a 15% weight in equity, 5% in preferred stock, and 80% in debt. The cost of equity capital is 14%, the cost of preferred stock is 10%, and the pretax cost of debt is 9%. What is the weighted average cost of capital for Ford if its marginal tax rate is 25%?

a. 8.8%

b. 9.2%

c. 7.6%

d. 8%