The total economy is based on the choice between possible alternatives as rational combination of incoming factors with a goal to achieve business optimum. The modern econometry transfers managerial tasks into the language of mathematics and it primarily serves for performing of theoretical results on real examples in a way to balance the constant disequilibria between actual and desired state of business system. The purpose of building and application of model in certain conditions is easier, faster and rational solving of various problems which can be met on all levels of management, and according to their type, specificity and way of solving it is necessary to construct appropriate models. The model of linear programming has wide used application.