A project manager and het team worked together to develop a work breakdown structure. However, it seems project team members are doing work that is not included in the work breakdown structure. The purpose of work breakdown structure is to?
a) Guide the cost estimate for a project, not how the project is done.
b) Provide senior management with a high level view of the project scope
c) Include the work required to create the products of the project
d) Include the total project work or all of the work that must be done to complete the work.