A portiolio with a $25\%$ standard deviation generated a return of $15\%$ last year when T$-$bills were paying $4\mathrm{.}5\%.$ This portfollo had a sharpe ratio of

Multiple Choice

$0\mathrm{.}60$

$0\mathrm{.}25$

$0\mathrm{.}42$

$0\mathrm{.}22$