b). The Philadelphia water ice industry is a constant cost industry. The demand for water ice shifts outward each year when it gets hot. What are the steps by which the competitive water ice market...

      b).  The Philadelphia water ice industry is a constant cost industry.  The demand for water ice shifts outward each year when it gets hot. What are the steps by which the competitive water ice market insures an increased amount of water ice. Explain and graph at the industry and firm levels. What is the long-run price of water ice?