Suppose that the demand curve for wheat is Upper Q equals 120 minus 10 p and the supply curve is Upper Q equals 10 p. The government imposes a price ceiling of p overbar equals $ 4 per unit. a. How do the equilibrium price and quantity​ change? ​(round quantities to the nearest integer and round prices to the nearest​ penny) The equilibrium quantity without the price ceiling is nothing and the price without the price ceiling is ​$ nothing. The equilibrium quantity with the price ceiling is nothing.