Suppose that B2B, Inc., has a capital structure of 36 percent equity, 16 percent preferred stock, and 48 percent debt. Assume the before-tax component costs of equity, preferred stock, and debt are 13.5 percent, 9.0 percent, and 8.5 percent, respectively What is B2B's WACC if the firm faces an average tax rate of 30 percent? (Round your answer to 2 decimal places.)