Bleakly Enterprises has a capital structure of 40 percent common stock, 10 percent preferred stock, and 50 percent debt. The flotation costs are 4.5 percent for debt, 7 percent for preferred stock, and 9.5 percent for common stock. The corporate tax rate is 34 percent. What is the weighted average flotation cost? Select one: a. 6.8 percent b. 6.6 percent c. 6.2 percent d. 5.8 percent e. 6.4 percent