A cloud administrator is looking at the company's cloud services bill for the previous month. The administrator notices on the billing dashboard that certain resources are not being billed to any particular department. Which of the following actions will help correct this billing issue?

A. Check the utilization of the resources.
B. Modify the chargeback details of the consumer.
C. Add the resources to the consumer monitoring group.
D. Modify the tags for all the unmapped resources.