1.A Stock's return has the distribution as shown in the table below.Calculate the stock's expected return, and standard deviation.SHOW ALL CALCULATIONS!!Market DemandProbability of OccurrenceReturn Associated with OccurrenceWeak0.15-12%Below Average0.20%Average0.310%Above Average0.218%Strong0.1523%A.Expected Return =B.Standard Deviation of the Rate of Return =C.In a qualitative rather than a quantitative sense, what happens to the Standard Deviation of the Rate of Return calculated above if the return associated with Weak Market Demand increases from -12% to -10%, and the return associated with Strong Market Demand declines from 23% to 20%?Why?2.Suppose the risk-free rate is 2.25% and the Required Return on the Market is 8.50%.What is the required rate of return on:A.astock with a Beta = 0.85?B.a stock with a Beta = 1.35?