AllCity, Inc., is financed 45% with debt, 13% with preferred stock, and 42% with common stock. Its pretax cost of debt is 5.6%, its preferred stock pays an annual dividend of $2.54 and is priced at $25. It has an equity beta of 1.14. Assume the risk-free rate is 2.3%, the market risk premium is 7.2% and AllCity's tax rate is 25%. What is its after-tax WACC? Note: Assume that the firm will always be able to utilize its full interest tax shield. The WACC is \%. (Round to two decimal places.)