Figure 2 shows the ER diagram that captures important information in the tracking of Suppliers and items in a retail store.  This retail store purchases items from a number of suppliers. It keeps track of the items purchased from each supplier, and it also keeps a record of suppliers' addresses. Items are identified by ITEM-TYPE and have a DESCRIPTION. There may be more than one such address for each supplier, and the price charged by each supplier for each item is stored. Suppliers are identified by SUPPLIER-ID.