A two$-$year floating$-$rate note pays $6-$month Libor plus $100$ basis points. The floater is priced at $97$ per $100$ of par value. Current $6-$month Libor is $2\mathrm{.}00\%.$ Assume a $30/360$ day$-$count convention and evenly spaced periods. The discount margin for the floater in basis points $($bps$)$ is closest to:

$192$ bps$.$

$259$ bps$.$

$321$ bps$.$