What are the main planning processes performed as part of project scope management? What are some approaches for creating a WBS? Why is it important to develop a good WBS? What do you think about the scope planning documents prepared by the Just-In-Time Training project team? Do they seem too broad or too detailed in certain areas? What are the main planning tasks performed as part of project cost management? What is the difference between a cost estimate and a cost performance baseline? Why is it important to have clear ground rules and assumptions for a cost estimate?