Which of the following statements regarding the program work breakdown structure (WBS) and the contract WBS are true? (Select two)
A. The contract WBS refers to the high-level, product-oriented breakdown of the program
B. The program WBS structurally depicts the framework for the program's technical objectives and end items/products
C. The only elements included in a program WBS are hardware and software
D. The contract WBS is included inside the Program WBS