A Developer is working on an application that tracks hundreds of millions of product reviews in an Amazon DynamoDB table. The records include the data elements shown in the table: 
Which field, when used as the partition key, would result in the MOST consistent performance using DynamoDB?
Definitions:
Sales Revenue
The total amount of money generated from the sale of goods or services before any costs or expenses are deducted.
Payroll Taxes
Taxes imposed on employers and employees, calculated as a percentage of the salaries that employers pay to their staff.
Current Liability
Financial obligations a company owes and is expected to pay within a year.
Long-term Liability
A debt or obligation not due within the current accounting year, requiring repayment over a longer period.
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