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SQL:1999 specifies that a view can be used in any query.
Variable Manufacturing Overhead
Variable manufacturing overhead includes all manufacturing costs that vary with the level of production, such as utilities or materials needed in the production process.
Standard Hours Allowed
The time allocated for a task based on predetermined standards.
Actual Direct Labour Hours
The real number of labor hours worked by employees directly involved in the production process, typically recorded after the work has been completed.
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