There are two projects, X and Y. the following probability distribution for the projects are given below PROJECT X PROJECT Y Return Prob. Return Prob. ___________ ______ ____ Pessimistic 9% 0.25 10% 0.35 Most Likely 16 0.50 17 0.45 Optimistic 22 0.25 25 0.20 a. Compute expected rate of return for each project. b. Compute variance and standard deviation of rate of return for each project. c. compute the coefficient of variance and Which project should you take?why?