You have observed the returns in the table below over time. Assume that the risk$-$free rate is $5\mathrm{.}75\%$ and themarket risk premium is $4\mathrm{.}82\%.$a$)$ What is the beta of Stock X $($please give your answer rounded to four decimal places$)?$b$)$ What is the beta of Stock Y $($please give your answer rounded to four decimal places$)?$c$)$ What is the required rate of return on Stock X$?$d$)$ What is the required rate of return on Stock Y$?$e$)$ What is the required rate of return on a portfolio consisting of $75\%$ of Stock X and $25\%$ of Stock Y$?$