ECSENOMICS The relationship between Total Cost and Marginal Cost T-53 Figure 7-1 (a) Total Cost (b) Marginal Co C MC 960 40 100 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-53 Figure 7-1 The Relationship between Total Cost and Marginal Cost