The CIO of Acme Inc. is comparing the costs of standing up a data center or using a cloud provider such as AWS for an application with varying compute workloads. What is a reason the cloud provider, AWS, might be more economical?

Amazon RDS costs are billed on a monthly basis.

Users retain full administrative access to their Amazon EC$2$ instances.

Amazon EC$2$ instances can be launched on demand when needed.

Users can permanently run enough instances to handle peak workloads.