Max’s   Chicken House has three branches: A, B, and C at different locations. These   three branches deliver fried chickens to three distributors: X, Y and Z. The   following tables gives the delivery costs, the number available at each   branch, and the number needed by each distributor.      From       To X       To   Y        To   Z        Supply           Demand   A          $2             $4             $8          A 200          X   400   B             4            2            2          B   250          Y 300   C             2            4            8          C   300          Z 150      Find the optimal solution to   cut down the total delivery cost.