Carlos works in the IT department at Sample Bank. He uses a cloud-based e-mail system and has been asked by his manager to establish metrics on mailbox usage per department so that department budgets can be billed for the expense of hosting department e-mail. What is this practice known as?

A. Chargeback

B. Billback

C. Pass-through charge

D. Showback

Option (A) i. e., Chargeback is the correct answer to the following question.

Explanation:

In the cloud-computing, Chargebacks is used for the metrics on the e-mail box which is used by the departments or the organizations, by this system, department budgets has been billed for the costs of entertain the department e-mails. It is applied on the expenses of the IT sectors or services for the strategies of the accounting.

Option B is incorrect because billback it is an application that are used in organization for needs to determining the resources of IT.

Option C is incorrect because Showback is the policy that is used by the IT for rise the expenses.