ECSENOMICS Increase in Demand for Automobiles T-18 Figure 3-4 14 10 6 2 D 0 16 20 24 Quantity demanded of automobiles (millions per year) McGraw-Hilllrwin CopyrightC 2001 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill/Irwin Copyright © 2001 The McGraw-Hill Companies, Inc. All rights reserved. Increase in Demand for Automobiles T-18 Figure 3-4