Refer to Figure 6-2. The price ceiling a. causes a shortage of 40 units. b. is not binding, because it is set above the equilibrium price. c. causes a shortage of 45 units. d. causes a shortage of 85 units. Refer to Figure 6-2. The price ceiling causes quantity a. supplied to exceed quantity demanded by 45 units. b. supplied to exceed quantity demanded by 85 units. c. demanded to exceed quantity supplied by 45 units. d. demanded to exceed quantity supplied by 85 units.