II. The distribution system for the Herman Company consists of three plants, two warehouses, and four customers. Plant capacities and shipping costs per unit (in $) from each plant to each warchouse are as follows: Warehouse Plant Capacity 600 Customer demand and shipping costs per unit (in $) from each warehouse to each customer are as follows a Develop a network representation of this problem. h, Formulate a linear programming model of the problem, . Solve the linear program to determine the optimal shipping plan. Customer Warehouse Demand 300 300