The concept of the grocery store and supermarket industry is an idea that was created to make human life easier. According to the study “The Evolution of the Supermarket Industry From A&P to Wal-Mart” by Ellickson, who explains that a century ago people had to hop from store to store to get different products such as milk, meat, bread and other products . Furthermore, in the article “Understanding Groceries Industry” by The Reinvestment Fund, it is stated that in the past the concept of grocery store was created based on the needs of the owner's store. Subsequently, with the increase in the development of society and standards regarding customer needs, grocery store owners began to focus more on the needs of their customers. Furthermore, the “Understanding Groceries Industry” study shows that the supermarket and grocery store industry is in the mature stage as they have developed extensive and robust customer service. According to the NAICS code, supermarkets and grocery stores (except other essential products) are considered to be a “committed”. ...