Answer:
D.
Explanation:
PERT and CPM are network planning techniques.
PERT means Program Evaluation and Review Technique.
CPM means Critical Path Method.
The six steps more common to PERT and CPM are:
-Define the project and identify each activity.
-Develop relationships among the activities.
-Draw the network connecting all of the activities.
-Adding time and/or cost estimates to each activity.
-Compute the longest time path through the network. This is called the critical path.
-Use the network to help plan, schedule, monitor and control the project.