The market portfolio earned a $12\%$ return during the year, while the risk$-$free rate was $5\%.$ The actual return of a stock is $15\%,$ and its beta is $1\mathrm{.}2.$ What is this stock's alpha for the year?

$0\mathrm{.}5\%$

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

$1\mathrm{.}6\%$

$1\mathrm{.}3\%$

$-0\mathrm{.}8\%$