Answer :
Answer:
The answer is the marketing concept.
Explanation:
The marketing concept consists of a philosophy in which firms should analyze the different needs related to their customers and in this way, make relevant decisions to meet those needs. These decisions must be better than those of the competition.
Nowadays, most of the firms consider the marketing concept. When firms began to consider the marketing concept, they separated the marketing departments which intended to meet customer needs. These departments were usually considered sales departments that had more responsibilities than the others.