Richard Feels Certain That His Direct Supervisor Is Stealing from the Customers

Richard feels certain that his direct supervisor is stealing from the customers of the organization. He has gathered several pieces of information that indicate he is right about his supervisor. Richard is uncertain what his next action should be in this case. He would like to talk with someone else at the organization about this situation, but wants to remain anonymous. Richard should most likely take which one of the following actions?

A) He should quit his job.
B) He should have his co-worker talk to the supervisor directly.
C) He should just remain silent.
D) He should call his company's ethics hotline.
E) He should call the local newspaper.