Which one of the following will give rise to an increase in the quantity of margarine demanded, illustrated by a movement along the demand curve?
A decrease in the price of margarine.
An increase in consumers’ incomes.
An increase in the number of consumers.
An increase in the price of butter (a substitute).
A research finding which indicates that margarine is good for your health.
An increase in the quantity of margarine demanded, illustrated by a movement along the demand curve? Is caused by a decrease in the price of margarine.
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