Answer:
E. can create a black market.
Explanation:
The rent ceiling makes it illegal to rent a certain house above a certain price, this is set by the government, what happens when you put it below the equilibrium point is that the market will slowly start to decrease the built and investment in housing, that will lead to the offer for a black market where rent is priced higher than it is allowed by the government because its not profitable for people to rent their properties, and so the best buyer in the black market will have it.
