A) Minimum wage.
B) Agricultural price supports.
C) Rent controls.
D) Minimum price for gasoline.
For Explanation Click Here:
A price floor sets a minimum price, such as the minimum wage or agricultural price supports, ensuring that the price doesn’t fall below a certain level. Rent controls, however, are a price ceiling, which sets a maximum price below the equilibrium to protect consumers from excessively high rent prices.