Which of the following situations are possible if we believe that CAPM is valid and why? Consider each scenario separately from the others. Portfolio Expected Return (%) Beta 1.1 0.8 Portfolio Standard deviation Expected Return (%) 15 12 12 24 Portfolio Risk-free Market Expected Return (%) 2.2 10.0 6.1 Beta 0 1.0 0.5 Expected Return (%) Standard deviation Portfolio Risk-free Market 12 21 15