Answer: (C) Price ceiling
Explanation:
The price ceiling is mainly occur due to the increase in the price of the various types of products and the services.
The main purpose of the price ceiling is that it restrict or control the price that the merchant are charging very high charge for the goods and the services in an organization.
The price ceiling is manly use by the government for protecting the extra charge on the price of products to the customers.
According to the given situation, the law which sets the process of the foods or the products low this is the example of a price ceiling.
Therefore, Option (C) is correct.