14 What is another term for the project justification activity in the defining stage? Work breakdown Project proposal Business case Preliminary scoping 16 For the Level 1 work breakdown structure (WBS) for Project A, the project manager needs to complete the project's planning phase. WBS Description ID 0.0 Project Orion 10 Project started 20 Feasibility 3.0 Design 4.0 Development 5.0 Manufacturing 6.0 Distribution 7.0 Project completed Which refinements are necessary in the planninn nhanh Which refinements are necessary in the planning phase? A legally valid contract between the sponsor and the functional managers must be signed. A project statement of work must be added to the project's charter. The project's business case must be created, Measurable goals and specifications for the project need to be established