Questions

Please answer the following questions. Your responses should be between 100 and 150 words-

Questions:
1.How does a Tracking Gantt chart help communicate project progress?
2.How does earned value give a clearer picture of the project schedule and cost status than a simple plan versus actual system?
3.Schedule variance (SV) is in dollars and does not directly represent time. Why is it still useful?
4.How would a project manager use the CPI?
5.What are the differences between BAC and EAC?