A risk manager is assigned to a new system deployment project with a strict contractually agreed on schedule. One of the key risks identified is the availability of experts because many are shared on other strategic projects in the organization. What should the risk manager do to address this situation? Revisit the project charter for scope adjustments and sign them off with the customer Implement a disciplined tracking method and report to stakeholders accordingly Call for a project team meeting to review risk strategies and make required adjustments Escalate the staffing topic to the sponsor and request more budget for contingencies