Concept:The marketing concept centres on identifying and satisfying consumer needs to achieve business success.
Explanation:A business that studies what customers truly desire can adjust its production to match those wants.
It focuses on product quality based on consumer preference rather than simply making goods and then trying to sell them.
This approach is known as the marketing concept.
It involves knowing the market, delivering value, and satisfying customers better than competitors.
Options A and B refer to specific marketing tools, not the overall philosophy.
Option D describes a production-centred attitude, not consumer-focused management.
Therefore, the correct option is the marketing concept.
Answer:C. marketing concept