im taking my final rn please help me out
1) A stock has an expected return of 15 percent, its beta is 1.4, and the expected return on the market is 12 percent. What must the risk-free rate be? (Do not round your intermediate calculations.)
2) A stock had returns of 6 percent, -22 percent, 18percent, 12 percent, and -2 percent over the past five years. What is the standard deviation of these returns?
3) The Absolute Zero Co. just issued a dividend of $2.85 per share on its common stock. The company is expected to maintain a constant 5.9 percent growth rate in its dividends indefinitely.
If the stock sells for $57 a share, what is the company’s cost of equity? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal pl0 aces, e.g., 32.16.)