If each department within a company has its own AWS account, what is one way to enable consolidated billing?

Question

Accepted Answer

Create an AWS Organization from the payer account and
invite the other accounts to join.

Answer

Put all invoices into one Amazon Simple Storage
Service (Amazon S3) bucket, load data into Amazon Redshift, and then run a
billing report.

Answer

Use AWS Budgets on each account to pay only to budget.

Answer

Contact AWS Support for a monthly bill.

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