can someone give me a 20 slide PowerPoint presentation on cafeteria food service contractors industry? conduct some research using supply and demand, four market structures, impact of macroeconomic change, impact of macroeconomic change, local, national and international economic activity, macroeconomic goals, policies of the federal government that affects the microeconomics of their industry, impact international trade, foreign direct investment, impact of exchange rate changes. Adding charts/images/graphs. please dont use whats on chegg sites already.