What is the main output of the Critical Path Method (CPM) in project management?

• A. The project duration and the identification of the critical path.
• B. The project budget and cost forecasts.
• C. Quality control metrics.
• D. Resource availability and leveling.

Answer: (A)

CPM focuses on timing and scheduling. Its main output is the total project duration and the identification of the critical path—the sequence of activities that determines the finish date. By calculating earliest and latest start/finish times, the method reveals the path with zero total float, meaning any delay on that path extends the whole project. This gives you both how long the project will take and which activities must stay on track. Other elements like budgets, quality metrics, or resource leveling come from different areas of project management, so they aren’t the primary outputs of CPM.