Answer
a. 200
b. 110
c. -50
Work Step by Step
a. $120+80=200$
b.$200-90=110$
c.$200-250=-50$
Principles of Microeconomics, 7th Edition
by Mankiw, N. Gregory
Published by
South-Western College
ISBN 10:
128516590X
ISBN 13:
978-1-28516-590-5
Chapter 7 - Part III - Consumers, Producers, and the Efficiency of Markets - Problems and Applications - Page 152: 1
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