he Cost$-$Less Corp. supplies its four retail outlets from its four plants. The shipping cost per shipment from each plant to each retail outlet is given below.

Retail Outlet: Unit Shipping Cost

$1234$

Plant

$1$ $$500$ $$600$ $$400$ $$200$

$2200900100300$

$3300400200100$

$4200100300200$

Plants $1,2,3,$ and $4$ make exactly $10,20,20,$ and $10$ shipments per month, respectively. Retail outlets $1,2,3,$ and $4$ need to receive $20,10,10,$ and $20$ shipments per month, respectively.

The distribution manager, Randy Smith, now wants to determine the best plan for how many shipments to send from each plant to the respective retail outlets each month. Randy$$s objective is to minimize the total shipping cost.

Question:WHAT IS THE MINIMUM TOTAL COST $