You have an Azure subscription that contains a resource group named RG1. RG1 contains 100 virtual machines.

Your company has three cost centers named Manufacturing, Sales, and Finance.

You need to associated each virtual machine to a specific cost center.

What should you do?

A. Configure locks for the virtual machine.
B. Add an extension to the virtual machines.

C. Assign tags to the virtual machines.

D. Modify the inventory settings of the virtual machine.

References:
https://docs.microsoft.com/en-us/azure/billing/billing-getting-started

https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-group-using-tags