Consider the following information about a risky portfolio, P$,$ and T$-$bills:E$($p$)=12\%,$ @p$=19\%,*=4\%.($a$)(8$ points$)$ You are an investor with a moderate level of risk aversion. What is the best proportion for you, to allocate in the risky portfolio, P$,$ and what in T$-$bills?$($b$)(15$ points$)$ Calculate the expected return and the standard deviation of your complete portfolio.$($c$)(7$ points$)$ What is the reward$-$to$-$variability of your complete portfolio?