19) A stock has an expected return of 13.7%, a beta of 1.62, and the expected return on the market is 9.4%. What must the risk free rate be? 20) Based on the following information, calculate the expected return and standard deviation: State of Economy Depression Recession Normal Boom Probability of State of Economy 0.11 0.20 0.24 0.45 Rate of Return If State Occurs 0.105 -0.068 0.12 0.321