You are managing a highly complex drug manufacturing project and your sponsor is highly motivated and influential. You are optimistic about the outcome of the project, however, you are not sure about the project approval requirements that measure the success of the project. So, you would like to document the name of the person who signs off on the project, and the criteria that constitutes the success of the project. Which of the following documents should you use first to incorporate project approval requirements?
A. The scope document
B. The project charter
C. The approval requirement plan
D. The project management plan