Answer: a. price floor
A price support is a type of price floor.
Explanation:
Price floor refers to a price control in which the government set the minimum price a commodity or product can be sold. It brings about a market surplus due to the fact that the quantity supplied at the price floor is higher than or exceed the quantity demanded. The government uses price floor in preventing prices from being too low. An example of a price floor is minimum wage (price) payed for labour.
