Corrective actions should be taken to move the results of the project work back into alignment with the project scope. The project team must start their activities on time and finish on time. A corrective action is a change implemented to address a weakness identified in a management system. Normally corrective actions are implemented in response to a customer complaint, abnormal levels of internal nonconformity, nonconformities identified during an internal audit or adverse or unstable trends in product and process monitoring such as would be identified by SP

C. It is method of identifying and eliminating the causes of a problem, thus preventing their reappearance. Examples of a corrective action are :Improvements to maintenance schedulesImprovements to material handling or storage

Answer option C is incorrect. Management reserve is time and funds allotted for unforeseen issues and risks within the project.

Answer option A is incorrect. Padding each estimate may cause the project to succumb to Parkinson's Law: work expands to fill the amount of time allotted to it. In addition, the project team may still delay the start time of their project assignments.

Answer option B is incorrect. Disciplining the project team may be a good option if the problem continues. The best option is to first apply corrective actions.