you are a consultant fora company that produces insulated stainless steel tumbler cups and have been hired to predict changes in the average market price and quantity of stainless steel tumbler cups. explain fully how and why each of these three changes ini isolation would influence suppply or demand and the market price and market quantity of stainless steel tumbler cups this year. incomes of ocnsumers rise. Increase of stainless steel price, better health benefits drinking out of cup. how would all these change n the market price and quanitity of magnitiudes of shifts in supply and demand