A company wants to identify specific Amazon EC2 instances that are underutilized and the estimated cost savings for each instance.
How can this be done with MINIMAL effort?

A. Use AWS Budgets to report on low utilization of EC2 instances.
B. Run an AWS Systems Manager script to check for low memory utilization of EC2 instances.
C. Run Cost Explorer to look for low utilization of EC2 instances.
D. Use Amazon CloudWatch metrics to identify EC2 instances with low utilization.