Peter Drucker, the Father of Modern Management, Believed That Marketing

Peter Drucker, the father of modern management, believed that marketing ________.

A) should be a separate function within the business
B) is the business as seen from an internal point of view
C) is the whole business as seen from the customer's point of view
D) is not the central dimension of the entire business
E) should be considered just as a "department" in an organization