The actual MSW in 2003 was 236.2 mil tons.
2. In order to find the maximum profit and the number of tonnage which must be processed to yield the maximum profit, I took the first derivative of the profit function and found its solution when it equals to 0.
United States Environmental Protection Agency (EPA). Municipal Solid Waste Generation, Recycling, and Disposal in the United States: Facts and Figures for 2003. Retrieved November 17, 2005, from http://www.epa.gov/epaoswer/non-hw/muncpl/pubs/msw05rpt.pdf