Trade-in confirmation for old iMac with Apple
I traded in my old iMac 27" to be replaced with new iMac 27", but Apple thinks I still own the old iMac, especially the Apple tech support people. How do I let Apple know that I own only one iMac 27" purchased in year 2020?
[Re-Titled by Moderator]
Original Title: My old iMac was sold to Apple to be replaced with a new iMac. How to let Apple know the trade occurred.
iMac 27″, macOS 15.5