A company needs to store data in Amazon S3. A compliance requirement states that when any changes are made to objects the previous state of the object with any ...

A company needs to store data in Amazon S3. A compliance requirement states that when any changes are made to objects the previous state of the object with any changes must be preserved. Additionally, files older than 5 years should not be accessed but need to be archived for auditing.
What should a solutions architect recommend that is MOST cost-effective?