Concept:The marketing concept places the consumer at the centre of all business activities.
Explanation:Its main goal is to understand customer needs and satisfy them better than competitors.
It aims to create customer satisfaction while still earning a profit for the organisation.
This approach is much broader than simply selling goods, using promotions, or increasing production.
Every business decision is guided by what the customer wants.
Thus, the core emphasis is achieving both consumer satisfaction and profitable operations.
Answer:D. consumer's satisfaction at a profit