A company runs its applications on Amazon EC2 instances. The company performs periodic financial assessments of its AWS costs. The company recently identified unusual spending. The company needs a solution to prevent unusual spending. The solution must monitor costs and notify responsible stakeholders in the event of unusual spending. Which solution will meet these requirements?

• AUse an AWS Budgets template to create a zero spend budget.
• BCreate an AWS Cost Anomaly Detection monitor in the AWS Billing and Cost Management console.
• CCreate AWS Pricing Calculator estimates for the current running workload pricing details.
• DUse Amazon CloudWatch to monitor costs and to identify unusual spending.