Based on input from an organization's senior management, the portfolio manager has removed some components from a portfolio, replaced them with other components, and has rebalanced and reprioritized…

The stakeholder matrix identifies stakeholders and their interests but does not contain the engagement strategies or communication approaches needed to develop a response plan for concerns.

The organizational chart shows reporting structures and hierarchies but does not provide guidance on how to manage stakeholder reactions or formulate response strategies.

The portfolio management plan contains the stakeholder management approach, engagement strategies, and communication guidelines that define how the portfolio manager should respond to and manage stakeholder concerns - providing the authoritative framework for developing a response plan to address mixed reactions to portfolio changes.

The portfolio charter authorizes the portfolio and defines high-level objectives but does not contain the detailed stakeholder engagement strategies required for developing a response plan.