Which of the following a native tool in AWS that we would use in our FinOps exercises to understand costing issues, get recommendations, etc.

Which of the following a native tool in AWS that we would use in our FinOps exercises to understand costing issues, get recommendations, etc.
A . Cost and Usage Reports
B . Cost Explorer
C . Trusted Advisor

Answer: B

Explanation:

Cost Explorer is a free tool that AWS offers to all customers that provides visibility across the AWS infrastructure and has features like rightsizing, savings plans recommendations, and cost anomaly alerting.

https://aws.amazon.com/aws-cost-management/aws-cost-explorer/

CUR provides no recommendations and it is important to that Trusted Advisor has free and paid support options but does not provide insight into billing.