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.
As the demand curve shifts the change in the equilibrium price and quantity will be in the same direction, i.e., both will increase. If the supply curve shifts left, say due to an increase in the price of the resources used to make the product, there is a lower quantity supplied at each price.