Solve the following linear program:

Max $3$x$+2$y

s$.$t$.$

$2$x$+2$y $<8$ A

$3$x$+2$y $<12$ B

$1$x$+0\mathrm{.}5$y $<3$ C

x$,$y $>0$

How much slack is in constraint B$?$

Group of answer choices

$2$ units of slack

$10$ units of slack

$10$ units of surplus

$2$ units of surplus