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1 point: Graph with the vertical axis labeled “Price” or “P” and the horizontal axis labeled “Quantity” or “Q”
1 point: Downward-
1 point: Upward-
1 point: Equilibrium price “PE” labeled on the vertical axis and quantity “QE” labeled on the horizontal axis at the intersection of the supply and demand curves
1 point: Price line at a price “PC” below the equilibrium price
1 point: Correct indication of the shortage, which is the horizontal distance between the quantity demanded and the quantity supplied at the height of PC