ECSENOMICS Demand Curve Looks horizontal to a Perfect Competitor T60 Figure 8-1 (a) Industry (b) Firm S d S Q q Industry output Firm outi 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. T-60 Figure 8-1 Demand Curve Looks Horizontal to a Perfect Competitor