Which 2 solutions should a data architect recommends to preserve the date timestamps and ownership on records?

UC is migrating data from legacy system to SF.

UC would like to preserve the following information on records being migrated:

✑ Date time stamps for created date and last modified date.

✑ Ownership of records belonging to inactive users being migrated to Salesforce.

Which 2 solutions should a data architect recommends to preserve the date timestamps and ownership on records? Choose 2 answers.
A . Log a case with SF to update these fields
B . Enable update records with Inactive Owners Permission
C . Enable Set Audit fields upon Record Creation Permission
D . Enable modify all and view all permission.

Answer: B,C