A Developer has an Amazon DynamoDB table that must be in provisioned mode to comply with user requirements. The application needs to support the following: Average item size: 10 KB Item reads each second: 10 strongly consistent Item writes each second: 2 transactional Which read and write capacity cost-effectively meets these requirements?

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A Developer has an Amazon DynamoDB table that must be in provisioned mode to comply with user requirements. The application needs to support the following: Average item size: 10 KB Item reads each second: 10 strongly consistent Item writes each second: 2 transactional Which read and write capacity cost-effectively meets these requirements?
A. Read 10; write 2
B. Read 30; write 40
C. Use on-demand scaling
D. Read 300; write 400

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