What is the first step for marketers in implementing the marketing concept?

The answer is: You need to identify your market.- Who are your potential customers and what unsatisfied need do they have in common?

Explanation:

A marketing concept can be defined as:                                                          The idea/concept/philosophy that your business is going to follow in order to satisfy their customers' needs while reaching their business's goals.

The first thing you need to do is identify your target market, i.e. Who are your potential customers and what unsatisfied need do they have in common?

answerreactive approach;