1. Draw a supply and demand curve for the Nike tennis shoe market.
   1. Label both axes and all curves
   2. Find and label equilibrium price and quantity (label  them p1 and q1)
   3. Draw an increase in demand (label the new curve d2)
   4. Find and label the new equilibrium price and quantity (label them p2 and q2)

Using the factors that shift demand, give an example of an event that could increase the demand curve for Nike tennis shoes.