Answer:
1.It's a fundamental economic principle that when supply exceeds demand for a good or service, prices fall. When demand exceeds supply, prices tend to rise. There is an inverse relationship between the supply and prices of goods and services when demand is unchanged.
2.Supply and demand, in economics, relationship between the quantity of a commodity that producers wish to sell at various prices and the quantity that consumers wish to buy.
3.A demand curve shows the relationship between quantity demanded and price in a given market on a graph. ... A supply curve shows the relationship between quantity supplied and price on a graph. The law of supply says that a higher price typically leads to a higher quantity supplied.