There are two stocks with investment opportunities, Stock A and Stock B$.1.$ If the rate of return according to the economic forecast for the next three years is as shown in the table below, if you invest in one of these two stocks, decide which one to invest in and explain the reason. $($Hint: Use Expected Return and Expected Standard Deviation respectively$)2.$ If you form a portfolio using the above two stocks by investing $40\%$ in Stock A and $60\%$ in Stock B$,$ what is the expected rate of return for the portfolio?