In Problems 21 and 23 below, assume the risk-free rate is 8% and the expected rate of return on the market is 18%. Use the SML of the simple (one-factor) CAPM to answer these questions. 21. A share of stock is now selling for $100. It will pay a dividend of $9 per share at the end of the year. Its beta is 1. What must investor expect the stock to sell for at the end of the year? 23. A stock has an expected return of 6%. What is its beta