1. Describe why a building project manager should draft pessimistic and optimistic version of an S-Curve? 

2. List three different types of S-curve and describe each what they can be used for or its purpose? 

3. How would a building project manger communicate the schedules of project expenditure to other relevant stakeholders and what project management tool should be used to facilitate this communication?

4. Describe in you own words in few sentences by explaining what rise and fall calculations are when undertaking building and construction project???