Caldwell Inc stock has a current market price of $28 and 72 million shares outstanding. The stock's expected rate of return according to the CAPM is 12.0%. Caldwell bonds have a current market price of 105.5% of par, yield-to-maturity of 8.7%, and a total par value of $750 million. The firm's tax rate is 19%. If there are no other classes of securities, what is the firm's WACC? Enter your answer as a decimal and show four decimal places. For example, if your answer is 9.25%, enter .0925.