consider the market for pizza. graphically illustrate the impact on equilibrium price and quantity for each of the following scenarios. instructions: drag the appropriate line in the correct direction to show the effect on equilibrium price and equilibrium quantity. a. the price of hamburgers (a substitute for pizza) increases. this will: multiple choice 1 decrease equilibrium quantity and increase equilibrium price. decrease equilibrium quantity and decrease equilibrium price. increase equilibrium quantity and decrease equilibrium price. increase equilibrium quantity and increase equilibrium price. b. people prefer to eat pizza instead of hamburgers. this will: multiple choice 2 increase equilibrium quantity and increase equilibrium price. decrease equilibrium quantity and decrease equilibrium price. increase equilibrium quantity and decrease equilibrium price. decrease equilibrium quantity and increase equilibrium price.