13. Alphabet, Inc. (GOOGL) has a 40 percent debt/asset ratio; assume a tax rate of 16 percent. The average yield to maturity on GOOGL's bonds is 3 percent. Your market analyst estimates that the risk-free rate is I percent and that the market risk premium is 7 percent. The firm's beta coefficient is 0.97. What's Alphabet's weighted average cost of capital (WACC)? (Round to the nearest tenth of a percent) A. 5.7 percent B. 7.3 percent C. 6 percent D. 5.9 percent