Which of the following statements is true about account services?
A. It is an in-house service for the agency which is independent of its clients' obligations.
B. It provides the creative team with more insight on how to use advertising and other IMC tools to communicate with customers.
C. It provides the creative team with more insight into consumers.
D. It is an advertisement agency service which is not link to its client.
E. It is the link between the ad agency and its clients.
Answer: E