A computer assisted method for evaluating inventory is provided. The method includes receiving case composition information and case cost information for a case at a store where the case composition information identifies an item of the case and the case cost information identifies cost of the case. An item cost of the item is calculated using the case composition information and case cost information and the item cost is stored in memory. Consumer code information is received for the item and the item cost of the item is retrieved. Inventory cost data is generated using the item cost.