By Examining Customer Checkout Details,a Supermarket Has Learned That People

Multiple Choice

By examining customer checkout details,a supermarket has learned that people who buy beer,typically,also buy a packet of salted snacks.As a result,the manager of the supermarket decides to place beer near the shelf with chips and pretzels.In this case,which of the following tools for processing information has the supermarket most likely used? 

A)  ​Data integration 
B)  ​Data mining 
C)  ​Bar coding 
D)  ​Radio frequency tagging