A company runs several applications across multiple AWS accounts in an organization in AWS Organizations. Some of the resources are not tagged properly and the company's finance team cannot determine which costs are associated with which applications. A DevOps engineer must remediate this issue and prevent this issue from happening in the future.
Which combination of actions should the DevOps engineer take to meet these requirements? (Choose two.)

A. Activate the user-defined cost allocation tags in each AWS account.
B. Create and attach an SCP that requires a specific tag.
C. Define each line of business (LOB) in AWS Budgets. Assign the required tag to each resource.
D. Scan all accounts with Tag Editor. Assign the required tag to each resource.
E. Use the budget report to find untagged resources. Assign the required tag to each resource.