using LINGO

product *9-29, Jobco is planning to produce at least 2000 widgets on three machines. The minimum lot size on any machine is 600 widgets. The following table gives the pertinent data of the situation Capacity (units) Machine 1 2 3 Setup cost (5) 300 100 200 Production cost/unit ($) 2 10 5 650 850 1250 Formulate the problem as an ILP, and find the optimum solution