As the project manager of a project, you have needed to estimate certain activity durations before all project team members were acquired. On acquisition of the project team, you find that the actual competency levels of the acquired team members are much lower than what you had anticipated. In such a case, you will:
A. Make no changes to the schedule.
B. Ask the project team members to meet the original schedule by putting in overtime if required.
C. Make changes to activity duration and schedule incorporating the changed competency levels.
D. Inform the customer that the project is behind schedule.