Zero Price for Used Newspapers. In 1987 you could sell a ton of used newspaper for $60. Five years later, you couldn’t sell them at any price. In other words, the price of used newspapers dropped from...

Zero Price for Used Newspapers. In 1987 you could sell a ton of used newspaper for $60. Five years later, you couldn’t sell them at any price. In other words, the price of used newspapers dropped from $60 to zero in just 5 years. Over this period, the quantity of used newspapers bought and sold increased. What caused the drop in price? Illustrate your answer with a complete graph.