Which of the following would BEST communicate the need for a WBS to the other managers?

A project manager wants to introduce the practice of a WBS to the PMO, but the other managers believe this will create extra work.

Which of the following would BEST communicate the need for a WBS to the other managers? (Select TWO).
A . Using the WBS will help prevent work from slipping or being forgotten.
B . TheWBS will be required on very large projects.
C . TheWBS will be required if the project manager has the time available to complete it.
D . TheWBS will aid in determining which resources are required for the project.
E . The WBS is the best way to determine risks of the project.

Answer: A,D