What a ________ Is Decisive and Determines What a Business

What a ________ is decisive and determines what a business is,and what the customer buys and considers value is ________.

A) business thinks it produces; never a product
B) business thinks it produces; what a product or service does for him or her
C) customer thinks s/he is buying; always a product
D) customer thinks s/he is buying; always utility
E) business thinks a customer wants; never what a product or service does for him or her