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A development team performs monthly 48-hour intensive tests on an Amazon RDS MySQL instance with Performance Insights. They seek a cost-effective method to reduce expenses during testing without altering the DB instance's compute and memory. What is the most cost-effective solution?
A
Stop and restart the DB instance based on test requirements.
B
Implement Auto Scaling to adjust the DB instance post-testing.
C
Snapshot and terminate the DB instance post-testing, then restore from the snapshot as needed.
D
Downscale the DB instance post-testing, then upscale when required.