AllCity, Inc., is financed 43% with debt, 8% with preferred stock, and 49% with common stock. Its pretax cost of debt is 6.1%, its preferred stock pays an annual dividend of $2.53 and is priced at $31. It has an equity beta of 1.15. Assume the risk-free rate is 2.1%, 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.)