Concept:Abnormal demand is an exception to the law of demand, where quantity demanded rises as price rises instead of falling.
Explanation:Normally, the law of demand states that a higher price leads to lower quantity demanded.
Abnormal demand occurs only under special conditions of consumer behaviour.
Goods of ostentation, such as luxury items, are demanded more at high prices because they give prestige to the buyer.
Giffen goods, which are essential inferior staples, are also bought in larger amounts when their price rises.
Rare commodities behave similarly, because their high price suggests scarcity and increases their perceived value.
Therefore, all three categories can produce abnormal demand.
The general price of the commodity is not a separate reason for abnormal demand; it is simply the market factor that changes in every demand situation.
Answer:A. price of the commodity