Signing off on the requirements is a major milestone, and different members of the project may see it differently. Which of the following statements is true regarding requirement signoff? It should be understood that not everything will be clear up-front and therefore, changes should be acceptable The project manager looks at signoff as the point when billing for the project can start Unless you get customers to sign off on requirements, you should not start on prototyping End users look at the signoff as the point where they can start the test cases