$0\mathrm{.}10-10\%-35\%$

$0\mathrm{.}202\%0\%$

$0\mathrm{.}4012\%20\%$

$0\mathrm{.}2020\%25\%$

$0\mathrm{.}1038\%45\%$

$($A$)$ Calculate the expected rate of return for each stock

$($B$)$ Calculate the standard deviation of expected returns for stock A and B

$($C$)$ Calculate the coefficient of variation $($CV$)$ for each stock

$($D$)$ Assume the risk free rate is $2\mathrm{.}5\%.$ What are the Sharpe Ratios for each stock?