Suppose that an excise tale of $1 is placed on sellers in a market for widgets. Using diagrams indic… Show more Suppose that an excise tale of $1 is placed on sellers in a market for widgets. Using diagrams indicate whether none, some, or all of the tax is passed on to the consumer in the form of a higher price for each case described below. Case 1: Demand curve is horizontal and supply curve is upward sloping. Case 2: Demand curve is vertical and supply curve is upward sloping. Case 3: Demand curve is downward sloping and supply curve is horizontal. • Show less