The CFO is discussing with you a chargeback model for critical qualities of service. The model must allow for:
Control of service usage over a short period of time (hours)
Granular control of system load such as latency of applications
Which chargeback model should you recommend?

A.
Subscription by Peak Usage

B.
Electronic Ticket

C.
Pay-as-you-use

D.
Bid/Spot Instance

Explanation: