AllCity, Inc., is financed 42% with debt, 13% with preferred stock, and 45% with common stock. Its cost of debt is 5.5%, its preferred stock pays an annual dividend of $2.48 and is priced at $28. It has an equity bota of 1.14. Assume the risk-free rate is 2.1%, the market risk premium is 7.1% 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 The WACC is % (Round to two decimai places.)