9) Graphically show a reduction in Supply 10) Graphically show a reduction in QS 11) Graphically show an increase in Supply 12) Graphically show an increase in QS 13) Graphically show an increase in Supply and Demand 14) Graphically show a decrease in Supply and Demand 15) Graphically show an increase in Supply and a Decrease in Demand 16)Graphically show an increase in Demand and a Decrease in Supply .