Arrange the following norms that an agency should follow for smooth agency-client relationship in correct chronological order.
1. The agency should make effort to obtain useful information in market.
2. The agency should not charge unreasonably high rates.
3. The agency should keep the client well informed.
4. The agency should always provide timely service to the clients.

A. 1, 2, 3, 4

B. 4, 3, 2, 1

C. 2, 4, 1, 3

D. 3, 1, 4, 2

Answer: Option A