Estimate the expected return and risk of the securities and comment on the optimal combination of risk and return State of the Probability Economy Return on Stock A Return on Return on Stock B Portfolio 0.2 15% -5% 5% -5% 15% 5% 0.2 5% 25% 15% 0.2 35% 5% 20% 0.21 25% 35% 30% 0.2 1 A EE 1.11 do 2? PA GELUPTE GERT