Everyone agrees that the increase in the price of calzones was caused by a recent increase in the price of pizza dough, which is not generally used in making cheeseburgers. Assume that burger joints and pizza parlors are entirely separate entitiesthat is, there aren't places that serve both cheeseburgers and calzones.

The first group of students thinks the increase in the price of cheeseburgers is due to the fact that several burger joints in the area have recently gone out of business.

The second group of students attributes the increase in the price of cheeseburgers to the increase in the price of calzones at local pizza parlors.

Show the supply and demand curve to illustrate the second groups explanation for the increase in the price of cheeseburgers.