(b) The following portfolios are considered for investment. Assume that the risk-free rate of 3.5% is applicable to this situation. Portfolio Return Beta A B 0.12 0.20 0.9 0.16 0.11 C D Market Standard deviation 0.05 0.10 0.03 0.06 0.04 1.0 1.5 0.6 1.1 1.0 (i) Compute the Sharpe measure and Treynor's composite measure for A, B, C, D and the Market portfolio. (3 Marks) (ii) Rank the portfolios using each of the above measures and critically evaluate the cause for any differences you find in the ranking