Johnson Industries finances its projects with 40 percent debt, 10 percent preferred stock, and 50 percent common stock. The company can issue bonds at a yield to maturity of 8.4 percent. The cost of preferred stock is 9 percent. The risk-free rate is 6.57 percent. The market risk premium is 5 percent. Johnson Industries' beta is equal to 1.3. Assume that the firm will be able to use retained earnings to fund the equity portion of its capital budget. The company's tax rate is 30 percent. Refer to the information given for Johnson Industries. What is the company's cost of equity capital?