In 2015, Toronto Skaters earned a return on investment (ROI) of 15% and had a cost of debt of 7 percent. The book value of debt was $25,000 and the book value of shareholders' equity was $30,000. The firm faces a tax rate of 30 percent. The firm's return on equity is: 27.12% 23.42% 22.08% 19.92% G