Which AWS offering or benefit will meet these requirements MOST cost-effectively?

Explanations:

Pay-as-you-go pricing allows customers to pay only for the storage they actually use, making it highly cost-effective for variable storage needs. This model is ideal for companies looking to optimize costs based on usage without upfront commitments.

Savings Plans provide a lower rate for a committed amount of usage over a specified period, which may not be the best fit for a company that wants to optimize costs based solely on actual usage, especially if storage needs are unpredictable.

The AWS Free Tier is limited to a specific amount of resources for a limited time. While it can help companies test services, it doesn’t provide a long-term solution for optimizing costs based on ongoing storage needs.

Volume-based discounts apply to larger amounts of usage, which can reduce costs but typically require a minimum threshold. This may not align with a company’s fluctuating storage needs, making it less flexible than pay-as-you-go pricing.