You have collected the following return data for Stocks X$,$ Y$,$ and the overall stock market:

Assume that the risk$-$free rate is $6\%$ and the market return is $11\%.$

a$.$ Estimate the betas of Stocks X and Y$.$

b$.$ Estimate the required returns on Stocks $x$ and $Y.$

c$.$ Estimate the required return on a portfolio consisting of $70\%$ of Stock $x$ and $30\%$ of

Stock Y$.$