We watched a video about Wal-Mart where we learned they have…

We watched a video about Wal-Mart where we learned they have used information technology to track sales and understand customers. This has contributed to Wal-Mart’s ability to tell manufacturers what to make. Experts said this switch the relationship between Wal-Mart and manufactures from a _______ system to a  _____ system (demand is flowing from the retailer to the manufacturer). (1 point each, 2 points)