1 Regulatory agencies set prices and specify quality and quantity of output.

2 Reach the quantity of output needed in the future steadily.

3 Responsible institution can with the aid of accurate prediction , make plan , make present quantity of output progressively.

4 It includes a focus on work speed, quality and accuracy, quantity of output, and following the rules.

5 Variable costs are those costs that do change as the firm alters the quantity of output produced.