A Customer Tells You That Their Costs for Public Cloud

A customer tells you that their costs for public cloud services fluctuate more than they would like from month to month. What can you tell the customer about HPE GreenLake?

A) With HPE GreenLake, the costs will be the same every month, so customers can better plan their OpEx spending.
B) HPE GreenLake provides sophisticated metering, which gives customers complete transparency into costs.
C) HPE GreenLake provides a significant cost savings over public cloud services so even if the cost fluctuates, it is lower than what the customer is paying now.
D) With HPE GreenLake, customers are notified if their costs increase more than 5% month over month.