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The two tables involved in a join operation must have the same structure.
Investment Center
A business unit or segment within a larger corporation that is responsible for its own revenue, expenses, and investments, often evaluated on its return on investment.
Return on Assets
Return on Assets (ROA) is a financial ratio that indicates the profitability of a company relative to its total assets.
Profit Center
A segment or branch of a company that is responsible for generating its own revenues and profits, effectively treated as a separate entity for accounting purposes.
Contribution Margin
A financial metric that represents the amount of revenue from sales that exceeds variable costs, contributing towards covering fixed costs and profit.
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