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-Refer to the diagram above.If the market is unregulated,the value of producer surplus is
Principal Key
Another term for primary key, an attribute or set of attributes that uniquely identifies each record in a database table.
Foreign Key
An attribute in a database table that provides a link between data in two tables, typically to enforce referential integrity.
Main Key
A unique identification attribute or field in a database, functionally identical to a primary key.
Row Selector
A tool in spreadsheet and database applications that allows users to select entire rows.
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