Required Ali Saif is a portfolio manager at Seera Investment Bank. A new client has been assigned to Ali. The client portfolio is valued at $ 15 million which allocated equally to four stocks. The research department estimates the expected return for the market portfolio as 8.4%. market variance 0.6, risk free rate is 5% and provides Ali with Risk and return characteristics of the four stocks as following. Portfolio ------ has the highest systematic risk, while portfolio - has the highest total risk: Security B D 1.29 1 0.94 0.79 0.89 1.28 0.73 0.53 EIR 7.5% 8.2% 8.37% 8.57% 25% 25% 25% 25% D.C B.C CD BA CB AB DB B.D