2.1 An investor with a poi1folio in Table 4 is seeking your advice regarding which shares he should keep and which one he should sell. From experience, you know that the return on the market is 8%, while the return on the risk-free asset is 4% Table l: A Portfolio Made up of Securities A,B,C,D & E SECURITY RETURN BETA Status Decision Marks A 12% 1 .1 4 B 16% 3 .5 4 C 6% .2 4 D 20% 2 4 E 10% 1 .2 4