I have never written a movie review for Fandango but decided to do so with The Purge because I want to warn everyone that if you have seen the ads on TV then you have seen the best part of the movie....
Material requirements planning (MRP) is a computer-based inventory management system designed to assist production managers in scheduling and placing orders for items of dependent demand.
Many manufacturing systems combine the distinct functions of MPS (Master Production Schedule) and MRP into one called MRP. It is possible to create an MPS without an MRP, but not possible to create an MRP without an MPS.