During a project update meeting, one of the key stakeholders expressed his displeasure over the recently produced deliverables. 1% of the produced deliverables had minor defects. This stakeholder has been a resisting stakeholder so far. What must the project manager do in order to bring the future project performance in line with the approved quality requirements?
A. Investigate the root cause and identify the required defect repair.
B. Investigate the root cause and identify the required preventive action.
C. Investigate the root cause and identify the required corrective action.
D. Ignore the complaint from the resisting stakeholder.