The development team needs a regional MySQL database with point-in-time recovery for a new Proof- of-concept application. What’s the most inexpensive way to ena...

The development team needs a regional MySQL database with point-in-time recovery for a new Proof- of-concept application. What’s the most inexpensive way to enable point-in-time Recovery?

A. Replicate to a Cloud Spanner database. B. Create a read replica in the same region. C. Enable binary logging. D. Create hourly back-ups.