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If the quantity of rice bought decreases from 250 tonnes ...

If the quantity of rice bought decreases from 250 tonnes to 200 tonnes owing to a 2% rise in price, it shows that there is a change in

A.

Consumers' income

B.

Demand

C.

Consumers' tastes

D.

Quantity damanded

Correct answer is D

A change in quantity demanded refers to a change in the specific quantity of a product that buyers are willing and able to buy usually caused by a change in the price. From the question above, a rise in prise led to a corresponding change in the quantity demanded from 250 to 200 units.