Which of the following is the Business Case used for during the Managing a Stage...

During the Managing a Stage Boundary process, the Business Case is used to justify the continuing viability of the project. This involves reviewing and, if necessary, updating the Business Case to reflect any changes or new insights that might impact the project's justification. This helps the Project Board make informed decisions about the future progression of the project.References: PRINCE2® 7 Foundation handbook and official documents.