the answer i have is correct, please just show how to get the answer along with the formula, thanks.

5% Answer: AD B. 10.7% C. 12.8% D. 16.3% E. 18.8% ) 16. Rattle me Bones, Inc.'s common stock is currently selling for $66.25 per share. You expect the next dividend to be $5.30 per share. If the firm has a dividend growth rate of 4% that is expected to remain constant indefinitely, what is the firm's cost of equity? A. 12.0% B. 12.3% C. 13.5% D. 13.9% E. 14.1% Answer: (SA ) 17. The common stock of Tommy's Tools sells for $27.50. The firm's beta = 1.2, the risk-free rate is 4%, and the market risk Dramirim le 20/