What should be the proper processes, to enable customers to more days?

Customers have a E870, the current processor and memory usage for elastic Capacity on Demand (CoD).They have run out of all available processors enable several days.

What should be the proper processes, to enable customers to more days?
A . Customers must permanently activated processor
B . Processing MES orders, their usage included in the bill.
C . Processing MES, delete the current program to enable and re-order a new enabled.
D . let the customer to sign CoD contract.

Answer: C