ECSENOMICS Aggregate Price and Output Are Determined by t the Interaction of Aggregate Supply and Demand T-149 Figure 20-6 AS 250 B 200 司150 AD O 1,0002,0003,0004,005,000 Real GDP(billions) McGraw-Hilllrwin Copyright C 2001 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill/Irwin Copyright © 2001 The McGraw-Hill Companies, Inc. All rights reserved. Aggregate Price and Output Are Determined by the Interaction of Aggregate Supply and Demand T-149 Figure 20-6