You investigate, you analyze and appraise the occasion where the package software of ERP and the like is introduced, the functionality which when business process of introduction enterprise and systematization request ("proper form" is, it is) and the package software offer conforms, just which (fit) how much is gap (gap).

Besides the fact that it is used for the decision making whether or not it introduces the package software of, by the fact that functional nonconformance insufficiency of the package is known in advance in introduction project, something as for evasion step (work around) whether it is not, modification of business process possibility?, additional development and customization which it is done in order it examines necessity and so on to estimate.