1. How does having a scope and WBS help project teams during project execution? Why is it difficult to develop good plans? 2. Name the main planning tasks performed as part of project integration management? What are the main documents created and what should they contain? 3. Identify the planning tasks performed as part of project time management. What is the critical path for a project? Why is it important to know which tasks are on the critical path? How would you gain support from the project sponsor on the tasks on the critical path? 4. During project cost management what are the main planning tasks performed? Identify 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?5. Create a WBS for building a new house by using MS Project. Be sure you show project summary and Task ID 0. Assume that the WBS Level 2 categories include managing the project finding property securing a loan designing the entire home building the entire home and providing landscaping and external items including a hot tub and swimming pool. Break at least two Level 2 items down to Level 4.