AllCity, Inc., is financed 40% with debt, 12% with preferred stock, and 48% with common stock. Its pretax cost of debt is 6.3%, its preferred stock pays an annual dividend of $2.49 and is priced at $26. It has an equity beta of 1.12. Assume the risk-free rate is 2.1%, the market risk premium is 6.8% 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.)