The following statements define WBS:

A. * Provides management with information appropriate to each level B. * Defines all the elements of the project in a hierarchical framework and establishes their relationships to the project end items C. * Provides the opportunity to ”’roll up” (sum) the budget and actual costs of the smaller work packages into larger work elements D. * Serves as a framework for tracking cost and work performance E. * Can also be used to define communication channels and assist in understanding and coordinating many parts of the project