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Which of these tends to force the price of an item upward?
O A. a surplus of that item
O B. a shortage of that item
O C. attainment of an equilibrium price for that item
O D. attainment of an equilibrium quantity of that item
because the shortage of an item means more people want so that's a great time to earn some extra cash. same thing when they have. too much of an item but instead they lower the price so more people buy it.
