4'. Using the same market for oranges example from the online videos, model the changes in demand andf or supply that might arise from the following (separate) situations: a. An alarming segment appears on Today Tonight that says a new medical study suggests that eating more than one orange per year may result in premature blindness; b. As a result of the accidental importation of a particularly nasty type of fruit y, the Perth orange crop is decimated; c. The government decides to increase the minimum wage of fruitrpickers by 30%, effective immediately