Question 16 0.8 pts A firm is currently financed with $450 of debt and $550 of equity. The expected return on the debt is 5%. The market beta of the firm's equity is 1.2; the risk-free rate is 2%; and the equity premium is 6%. The firm pays taxes at the marginal rate of 40%. What is the firm's WACC? Round your answer to the nearest tenth of a percent. 9.2% 5.1% 5.5% 6.4%