A company has appointed a supplier to deliver software and has assigned an internal project manager. The supplier states that no technical development or testing is required from the customer. The project manager would like to confirm this with all of the stakeholders. What should the internal project manager do first? Host an alignment session with stakeholders to formalize the project requirements. Develop a user acceptance testing plan to ensure the quality of the deliverables. Distribute the project plan to all of the interested parties. Communicate to the supplier that customer testing is required