AllCity, Inc., is financed 37 % with debt, 9 % with preferred stock, and 54 % with common stock. Its cost of debt is 6.3 %, its preferred stock pays an annual dividend of $ 2.49 and is priced at $ 29. It has an equity beta of 1.11. Assume the risk-free rate is 2.2 %, the market risk premium is 7.2 % and AllCity's tax rate is 35 %. What is its after-tax WACC? Note: Assume that the firm will always be able to utilize its full interest tax shield.