Which of the following best describes the consumption-based pricing model in cloud computing?
A pricing model where users pay a fixed fee for a set amount of resources, independent of actual usage.
A pricing model where users are billed based on a flat rate subscription.
A pricing model where users are charged based on the actual resources they consume, with no upfront costs or termination fees.
A pricing model that offers discounts when users commit to long-term usage of resources.