A change request has just been formally documented and approved by the Change Control Board. The project manager now needs to communicate this to a project team member. Which of the following activities must the project manager necessarily do?
A. Telephone the team member and inform him/her about the changes.
B. Plan for a meeting over lunch and detail the changes.
C. Issue a formal communication document informing the team member about the changes.
D. Write an informal memo communicating the changes