On scratch paper, build the following network diagram...What is the total float of Activity?

On scratch paper, build the following network diagram • Activity A (2 days) can start right away. • Activity B (3 days) and Activity C (4 days) can start after Activity A is finished. • Activity D (5 days) can start after Activity B is finished. • Activity E (1 day) and Activity F (4 days) can start after Activity C is finished. • Activity G (2 days) can start after Activity E is finished. • Activity H (3 days) can start after Activity F is finished. • Activity I (2 days) can start after Activity D, Activity G and Activity H are finished. • After Activity I is finished, the project is complete. What is the total float of Activity? A- 3 days B- 12 days C- 2 days D- There is no total float.
Correct Answer : A