Concept:Concentration segmentation is the process of focusing all marketing efforts on a single market segment using one marketing mix.
Explanation:A firm may choose to serve one specific part of the market instead of the whole market.
It identifies a segment with distinct needs and characteristics.
The firm then directs its marketing activities toward that single segment only.
It applies one particular marketing mix, which combines product, price, promotion, and place, to satisfy that segment.
This strategy allows the firm to gain a strong competitive advantage within that segment.
Market concept is a broader business philosophy of satisfying customer needs.
Consumer orientation is the practice of designing goods and services to meet customer demands.
Market penetration means increasing sales of existing products in an existing market.
Therefore, the process described in the question is concentration segmentation.
Answer:A. concentration segmentation