Consider the following supply chain network with 2 suppliers and 3 demand markets. The cost per unit of shipment from each supplier to each demand market is given on the arcs. We would like to satisfy demand in each region at a minimum cost. Consider the following supply chain network with 2 suppliers and 3 demand markets. The cost per unit of shipment from each supplier to each demand market is given on the arcs. We would like to satisfy demand in each region at a minimum cost