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.
Equilibrium: Where Supply Meets Demand. Equilibrium is the point where the quantity demanded equals the quantity supplied. This means that there's no surplus of goods and no shortage of goods. A shortage occurs when demand is greater than supply â in other words, when the price is too low.