A company wants to start moving its resources to Azure. They have an on-premises data center and want to migrate their workloads to Azure. They need to realize the costs and provide a business case for moving the workloads to Azure. Which of the following can they use to help justify the costs?

Answer options:

A.Azure pricing calculator
B.Azure cost management
C.Azure TCO calculator
D.Azure Advisor

Answer – C 
You can use the Total Cost of Ownership calculator to see the cost savings you can achieve by moving workloads to Azure. 
A snapshot of the TCO Calculator is shown below. 

The other options are invalid because they help in cost management after you move to Azure. 
For more information on the TCO Calculator, please visit the below URL- 

https://azure.microsoft.com/en-us/pricing/tco/calculator/