What Usually Happens to a Paper Medical Record After the Transition

What usually happens to a paper medical record after the transition to an electronic medical record?

A) It is scanned into the electronic medical record and then destroyed.
B) It is scanned into the electronic medical record and then moved to storage.
C) Baseline data and recent information is scanned into the electronic record, and the paper record is moved to storage.
D) Baseline data and recent information is scanned into the electronic record, and the paper record is kept available for two to three years.