For each of the following changes in the demand or supply curves in the pizza market below, draw a graph showing the old demand or supply curves as well as the new demand or supply curve (whichever shifts). Also show how the equilibrium price and equilibrium quantity change on your graphs. Please show your work on 6 different graphs.

a. The price of mozzarella cheese rises. b. The health hazards of hamburgers (a substitute for pizza) are widely publicized. c. The price of tomato sauce falls, d. Consumers expect the Price of pizza to fall next week. e. There is an increase in the number of pizza shops in the area. f. Pizza shop employees negotiate successfully for higher wages