29.What is a project manager usually doing when trying to improve a schedule using the "fast tracking" schedule compression technique? Group of answer choices

1.Working with functional managers to get the development team to all work faster with new productivity tools.

2.Executing in parallel, partially or completely, activities that normally would be performed sequentially.

3.Scheduling development team members to work double shifts until the current project emergency is over.

4.Adding resources to activities on the critical path.