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 change in quantity demanded is a change in the specific quantity of a good that buyers are willing and able to buy. This change in quantity demanded is caused by a change in the demand price. It is illustrated by a movement along a given demand curve. In fact, the only way to induce a change in quantity demanded is with a change in the price. Anything else, everything else, causes a change in demand.