Which tool should you use?

A company consolidates multiple data centers into a single centralized datacenter by using a
Windows Server 2012 R2 server that has the Hyper-V role installed.
You must be able to support chargeback based on the usage of the following resources:
average CPU usage per virtual machine (VM)
average physical memory used by a VM over a period of time
highest amount of memory assigned to a VM over a period of time
highest amount of disk spaced assigned to a VM over a period of time
You need to track the resources without installing any additional tools.
Which tool should you use?

A.
Process Explorer

B.
Resource Metering
C Reliability Monitor

D.
Resource Monitor