You are creating a project plan in Microsoft Office Project Standard 2007. Your organization does not allow resources to work overtime. Every time you make a change to your schedule, you need to ensure that resources are not over-allocated, by using the method that gives you the most control.
What should you do?

A.
Manually level the entire schedule.

B.
Set the schedule to automatically level.

C.
Set all tasks to a priority level of 1000, and then set the schedule to clear leveling values before leveling.

D.
Set the project summary task to a priority level of 1000, and then set the schedule to adjust individual assignments before leveling.