In which step of the target marketing process do marketers develop a marketing mix that will lead to competitive advantage for​ consumers?

Positioning

Explanation:

A target market is a subset of the total market that a business identify as being potential customers and targets with an aim to provide goods and services. They usually exhibit similar characteristics such as age, sex, location and so on.

Positioning is the final stage when the STP approach is being used. The three stages of targeting are segmentation, targeting and positioning. Insights gained from segmentation and targeting is used to formulate a plan on how best to deliver the product to the consumer in such a way that they find it appealing. Marketing mix unique to customer need is developed to give competitive advantage to the business.