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An entity supertype can have disjoint or overlapping entity subtypes.
Department
A specialized functional area within an organization that focuses on specific operations or responsibilities.
Net Income
The total profit of a company after all expenses, including taxes and costs, have been deducted from total revenue, indicating the company's profitability.
Expenses
Costs incurred in the process of generating revenue, representing the value of resources used up or consumed.
Building Expenses
Costs associated with the operation, maintenance, and repair of a building.
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