Hi there, mate!
Answer:
a. A price floor is the minimum price allowed for a good. A price ceiling is the maximum price allowed for a good.
Step-by-step explanation:
As the name suggests, a price floor is the lowest amount of money the price of a good can be. For example, if you were selling a dress, there is a price floor. There is also a price ceiling. You can not go over the price ceiling if you want to get more customers. So, the answer to the question is option A.