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.
A shift in the supply curve, holding demand constant, changes equilibrium quantity in the same direction but changes equilibrium price in the opposite direction. 6.3 Simultaneous Changes in Demand and Supply. 1  When both curves shift simultaneously, the outcome depends on the nature of the shifts.