You have just joined the project management office after five years of working on projects. One of the things you want to introduce to your company is the need to do WBS. Some of the project managers are angry that you are asking them to do "extra" Which of the following would be the BEST thing you could tell the project work. Managers to convince them to use WBS?
A、Tell them it will prevent work from slipping through the cracks.
B、Tell them that it is not needed.
C、Tell them it is required if the project involves contracts.
D、Tell them it is the only way to identify risks.