will will be reduced by $50\%.$ Let $Z$ be the number of cars to be produced in $B.$ We need to identify the constraints that can be used as the capacity constraint in $B.$ Assume that $x$ and $Y$ are binary variables to decide if factories will be built in A and $B,$ respectively.

$[$Note: the constraint $Z0$ is assumed seperately.$]$

$Z400x$

$Z800Y$

$Z400x$;

$Z400(1-Y)$;

$Z800Y$

$Z400(1-x)$

$Z800Y$

$Z800Y$

$Z400(1-Y)$

$$ None of Above