Calculate WACC of ABC Corporation based on the following information; Capital structure: 50% common stock, 10% preferred stock, and 40% debt. The flotation costs are 5.00% for debt, 10% percent for preferred stock, and 15% percent for common stock. ABC Corporation pays 21% corporate tax. What is the weighted average flotation cost? O a. 11.25% O b. 9.50% . 11.00% O d. 10.50% O e. 10.45%