4. Phan Company Ltd would wish to invest on two projects, \\( \\mathrm{X} \\) and \\( \\mathrm{Y} \\) at a proportion of \\( 0.3,0.5 \\), and 0.7 of \\( X \\) and the other proportions being taken up by project \\( Y \\). The annual average returnand probability distribution is as follows; Using suitable computations, advise Phan Company Ltd on the most efficient portfolio to Select for investment 10 Marks