Price Dollars per unit 10 8 6 4 2 Table 4 6 If the price were 8 a plus of 25 units would exist and price would tend to fall ortage of 25 units would exist and price would tend to rise plus of 45 units would exist and price would tend to fall ortage of 20 units would exist and price would tend to rise Table 4 6 Quantity Demanded Quantity Supplied Units 10 20 30 40 50 Units 60 45 30 15 0