The kind of lighting you choose will be a huge factor in the cost of lighting installation. Simple lighting can be pretty affordable, but more expensive fixtures will bring up the cost of installation-as will antique chandeliers or fixtures.
a change in supply is the shift in supply curve due to change in price of other commodities and other factors like taste,weather,income e.t.c while a change in quantity supply â¦ is the change in price of the commodity itself that affect the quantity supply,here the supply curve remain constant but there will be a movement along the supply curve.
Demand is from the consumer's perspective while supply is from the producer's. Supply in economics is defined as the producer's willingness and ability to supply a given good at various price points, holding all else constant. An increase in price will increase producer's revenues, thus they are willing to supply more; a decrease in price will reduce revenues, therefore producers will supply less.