Table 1 The Market for Insulated Boots in the U.S., January, 2020 Price Quantity Quantity Surplus, Shortage, or per Pair Demanded Supplied Equilibrium $ 10.00 900,000 100,000 20.00 800,000 200,000 30.00 700,000 300,000 40.00 600,000 400,000 50.00 500,000 500,000 60.00 400,000 600,000 70.00 300,000 700,000 80.00 200,000 800,000 90.00 100,000 900,000