As Part of Budget Planning, Management Wants a Report of AWS

As part of budget planning, management wants a report of AWS billed items listed by user. The data will be used to create department budgets. A solutions architect needs to determine the most efficient way to obtain this report information. Which solution meets these requirements?

A) Run a query with Amazon Athena to generate the report.
B) Create a report in Cost Explorer and download the report.
C) Access the bill details from the billing dashboard and download the bill.
D) Modify a cost budget in AWS Budgets to alert with Amazon Simple Email Service (Amazon SES) .