ECSENOMICS Supply Curve for Factors of Production T-85 igure 12-4 Fi S B Factor quantity 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. Supply Curve for Factors of Production T-85 Figure 12-4