Answer:
If the supply of the good decreases.
Explanation:
If there is less it will be harder to get which gives it more demand.
According to the law of demand, demand for a good will increase if the price of the good decreases. Hence, Option A is correct.
Demand for any product depends upon some factors, like its cost, its availability and many more. Basically, the demand for any product directly gets affected by the price of that product.
One is going to spend that much on a product only if it is worthwhile to pay that much.
An image is attached in the end for better understanding.
Thus, demand for any product will change according to its price. Hence, Option A is correct.
Learn more about demand from here:
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