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.
Defintion: Aggregate supply is the total of all goods and services produced by an economy over a given period. When people talk about supply in the U.S. economy, they are usually referring to aggregate supply. The typical time frame is a year. That time frame is important because supply changes more slowly than demand.