Consider the following linear programming problem:

Max $Z=3x1+2x2$

Subject $to$: $4x1+2x2200$

$2x1+3x2180$

$x1,x20$

What $is$ the upper $limitof$ the first objective function coefficient $(c1)?$

Group $of$ answer choices

$1\mathrm{.}5$

$3\mathrm{.}5$

$4$

$4\mathrm{.}5$

None $of$ the above