Use the latest I94.
If you haven't applied for EAD before, then it is a new application, not a renewal. You don't have a "last EAD". Just ignore it. That's for people who want to renew their EAD.
If you haven't applied for EAD before, then it is a new application, not a renewal. You don't have a "last EAD". Just ignore it. That's for people who want to renew their EAD.