Martha is sharing her experience of her last project as the project manager. She tells that when she presented customer a formal acceptance and sign-off document, they refused to sign, claiming that the product does not meet their expectation. Taking which of the following steps could have been prevented the situation? Each correct answer represents a complete solution. Choose all that apply.
A. Performing quality inspections regularly
B. Archiving sign-off at important milestones
C. Documenting the requirements
D. Completing the project behind the schedule