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.
The Quantity Demanded is an amount at a given price while Demand is the entire relationship between the various Quantities Demanded at a variety of prices. When the price decreases from P1 to P2, the quantity demanded increases from Q1 to Q2. Changing the price leads to changes in the quantity demanded.