Examlex
Simplify the expression.
Labor
The effort by humans to produce goods or services in exchange for wages or salary.
Machines
Mechanical or electrical devices that perform or assist in performing tasks or calculations.
Average Cost
The total cost of production divided by the number of units produced, indicating the cost per unit of output.
Copper
A red-brown metal, highly conductive of electricity and heat, used extensively in electrical wiring and in making alloys such as bronze and brass.
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