The Jackson Company just paid a dividend equal to $3.00 per share on its common stock and it expects this dividend to grow by 7 percent per year indefinitely. The firm has a beta coefficient equal to 1.50, the risk-free rate is 10 percent, and the expected return on the market is 14 percent. According to the capital asset pricing model, what is Jackson's cost of retained earnings, 1,? a) 23% b) 11% C) 21% Od) 16% e) 1%