Answer: Law of demand
Explanation:
The law of demand is defined as when the quantity an the price of the products and the services are increased then the demand the the similar products get decreased as it is inversely proportional with each other.
The other factors or the conditional are become equal or constant and this is also known as the elastic demand. The law of demand is refers to the relationship between price and the quantity of products in the market.
Therefore, Law of demand is the correct answer.