A Comparison of the Marketing Concept and Customer Relationship Management

A comparison of the marketing concept and customer relationship management indicates that customer relationship management:

A) attempts to improve profits by keeping quality high,while the marketing concept attempts to improve profits by a careful design of the promotional mix.
B) turns the marketing concept upside down.The marketing concept emphasized that marketing was the most important function performed by a firm,but customer relationship management views marketing to be the least important function.
C) extends the marketing concept by calling for the firm to learn more about its customers so that it not only satisfies them,but exceeds their expectations over time.
D) and the marketing concept are identical.