Silo Mills has a capital structure of 55 percent common stock, 10 percent preferred stock, and 35 percent debt. The flotation costs are 4.5 percent...

Silo Mills has a capital structure of 55 percent common stock, 10 percent preferred stock, and 35 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?