Answer:
A. Lysette works in sales. She walks over to the desk of Roger, who
works in marketing, to ask him a question.
Step-by-step explanation:
As Lysette works in sales. She walks over to the desk of Roger, who
works in marketing, to ask him a question. This best exemplifies an informal, interdepartmental form of communication, because both of the employees work in the same organisation where Lysette has chosen to go to his desk so she can ask him a question, instead of sending him an email or asking via another formal channel. This method will decrease the time in getting the answer to her query and considered as one the easy method of communicating with co-workers.