MRP structureThe material requirements planning (MPR) ties the production functions together from a material planning and control view. It allows an easily understandable approach to the problem of determining the number of parts, components, and materials needed to produce each end item. The MPR system is comprised of a masterproduction schedule that states the number of items to be produced during specific time periods. A bill-of-materials file is used to identify the specific materials used to make each item and the correct quantities of each. The inventory records file contains data such as the number of units on hand and on order (Jacobs & Chase, 2013, pp. 557,560). Impact of inventory on company resourcesInventory can provide a safety net that can absorb inaccurate forecasts or other faults within the supply chain. This excess inventory does come at a price. This excess inventory requires space and storage and so increases warehouse cost. It also requires inventory control and handling that requires more man-hours causing an increase in these areas. All these increased costs must be accounted for with this safety net (Chopra& Meindl, 2016, p. 250).ReferencesChopra, S., & Meindl, P. (2016). Supply Chain Management: Strategy, Planning, and Operation (6th ed.). Pearson Education, Inc.Jacobs, F., & Chase, R. B. (2013). Operations and Supply Chain Management (14th ed.). New York, New York: McGraw-Hill/Irwin.