$($a$)$

Modify the original formulation to account for the policy restriction that there must be one plant in either Detroit or Toledo, but not both.

new constraint

y$1+$y$2=1$

Enter an equation.

$($y$1,$ y$2,$ y$3,$ y$4)$

$=$

$$

$0,1,0,0$

$$

Place

xij

in row i column j$.$

$6$ out of $15$ of your cells are correct.

value $=$

$($b$)$

Modify the original formulation to account for the policy restriction that no more than two plants can be located in Denver, Kansas City, and St$.$ Louis.

new constraint

y$3+$y$4+$y$52$

$($y$1,$ y$2,$ y$3,$ y$4)$

$=$

$$

$0,1,0,1$

$$

Place

xij

in row i column j$.$

$5$ out of $15$ of your cells are correct.

value $=$