The project sponsor requires a formal sign-off on the product of the project, but the customer tells the project manager during a conference call that everything is ready to go. The project manager should: Group of answer choices Make arrangements to meet the customer at a convenient location to have him sign the document. Get the customer's signature when the team conducts product installation and post-delivery assessment Tell the sponsor that the customer has verbally approved the delivery. Access the conference call system to see if the conversation was recorded and save the recording