always be u back and change it. Gooll Question 59 Accounts Receivable would appear in an REA diagram as an example of which kind of entity? Agent Resource None of the other choices Location Event Question 62 A dependency between two non-key attributes is called a O unique identifier O concatenated key O foreign key O repeating group O transitive dependency Question 65 PURCHASE ORDERS placed-on What is the best interpretation of the following EER diagram? VENDORS O Vendors can place exactly one purchase order, each order relates to none or many vendors O Vendors can place either none or many purchase orders, each order relates to exactly one vendor O Vendors can place either none or many purchase orders; each order relates to none or many vendors Vendors can place one or many purchase orders; each order relates to exactly one vendor Vendors can place exactly one purchase order each order relates to one or many vendors ck and Question 66 In the SAP R/3 client-server architecture the end user directly interacts with O EER layer O application layer O presentation layer OREA layer database layer