Management Introduction to Project Management

1.Why are accurate estimates critical to effective project management (Ch. 5)?
2.What are the differences between bottom-up and top-down estimating approaches? Under what conditions would you prefer one over the other (Ch. 5)?
3.Define a white elephant in project management. Provide a real-life example (Ch. 5).
4.Complete #7 on page 198 this can be done by hand or in MS Project and upload (Ch. 6).