Joel Recently Opened a Neighbourhood Grocery

Joel recently opened a neighbourhood grocery.He chats briefly with each customer, carefully bags or boxes their purchases, and offers to load them into the customers' cars.Joel has learned that:

A) a business provides a bundle of satisfaction to its customers, not just the product they have bought.
B) customer relationships are more important than profits.
C) how his customers feel is just as important as their satisfaction with their purchases.
D) keeping customers is easier than finding new ones.