A change request is submitted during an iteration and the team is debating about how to handle it. When determining project progress and results using Agile methods, how are potential scope changes handled? a. The change control board chairperson prioritized the work. b. PM and team track and identify risks and implement resolution strategies. c. Potential scope changes are formally proposed and evaluated using an integrated change control system to identify impacts. d. No changes are allowed within an iteration; PO can pivot at end of iteration