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Lighting track shall be supported twice if the track is not more than ____________________ ft and shall have one additional support for each additional ____________________ ft track.
Electricity
A form of energy resulting from the existence of charged particles such as electrons or protons, either statically as an accumulation of charge or dynamically as a current.
Producer Surplus
The difference between the amount producers are willing to sell a good for and the actual amount they receive, usually represented graphically as the area above the supply curve and below the market price.
Consumer Surplus
The differential between the amount envisioned by consumers to pay for a good or service and the actual amount paid.
Perfectly Competitive
A market structure characterized by many buyers and sellers, free entry and exit, and a homogeneous product.
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