A national firm has a cost of debt of 7.50 percent, a debt-to-value ratio of 0.55, and an equity beta of 1.40. The risk-free rate is 3.0 percent, and the market rate of return is 12.50 percent. What is the company's cost of equity capital? O 16.30 percent 0 20.50 percent O 13.50 percent O 8.70 percent