An Increasing cost, Decreasing cost or Constant cost industry

          Identify one example of either an Increasing cost, Decreasing cost or Constant cost industry and explain why you think it falls in that category. Online trading e.g. eBay, Amazon Grocery stores e.g. Safeway, Giant etc Fast food restaurants e.g. Mcdonalds, BurgerKing etc Gasoline retailers e.g. Sunoco, Exxon etc