Consumer demand for a product will lessen if a consumer has comparatively lesser income than earlier since he is clever to purchase lesser output from the market. The law of demand states that the value and demand are contrariwise relative, when the price surges the demand for that commodity declines, and vice-versa; consequently, if there is an excess of stock it can result in having a lot of it left-over since the demand will lessen due to high availability. The vital thing is to not to complicate a change in demand with the extent demanded and dependent on the price being charged for the invention in the marketplace, the entire amount of products demanded at any specified time is mentioned to as the quantity demanded while the change in demand, on the other hand, emphases on all determinants of order other than cost modifications.

The price of a product is sensitive factor to control their demand. If the value of a product is low it produces higher demand, as the price surges the demand declines since customers feel that they cannot afford the product. This can be easily unstated that when the prices do not fall in their client nearby bracket they are not satisfied with that product.