Supply-and-Demand Schedule for Cell Phones Price of Cell Phones Quantity Supplied of Cell Phones Quantity Demanded of Cell Phones $25 0 500 $50 200 450 $100 300 300 $150 400 250 $200 500 0 In the supply-and-demand schedule shown above, at the prices of and , there is excess demand because quantity demanded is greater than quantity supplied. $150, $200 $25, $50 $25, $200