(Greedy Heuristic аnd Optimizаtiоn Questiоns) A cоmpаny operates four plants that supply goods to five warehouses. The goal is to minimize the total transportation cost while meeting the demand at the warehouses and not exceeding the supply capacities of the plants. Plant Capacity (in units) 1 60 2 110 3 90 Warehouse Demand (in units) 1 80 2 50 3 60 4 70 Plant / Warehouse (Shipping cost, $) 1 2 3 4 1 10 13 12 11 2 15 14 17 18 3 19 16 20 21 NOTE: The question statement above is the same for all 3 questions in this exam. Question: The Capacity constraint for Plant 1 can be written as the following: x11 + x12 + x13 + x14 = 80