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 company's common stock currently sells for $30 a share. The company's dividend is currently $2.00 a share (D0 = $2.00), and is expected to grow at a constant rate of 6 percent per year. The companys tax rate is 30 percent. What is the companys weighted average cost of capital (WACC)?