Wal-Mart charges $20 for the new Ghostbusters DVD and sells 400 copies per month. Then they reduce their price to $18, and sell 500 per month. Assuming a linear demand curve, find the optimal price to charge if the goal is to maximize revenue. (Note: the price does not necessarily have to be $20 or $18.) Show your work/thought process

Managerial Economics: A Problem Solving Approach
5th Edition
ISBN:9781337106665
Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Publisher:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Chapter14: Indirect Price Discrimination
Section: Chapter Questions
Problem 14.2IP
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Wal-Mart charges $20 for the new Ghostbusters DVD and sells 400 copies per month.  Then they reduce their price to $18, and sell 500 per month.  Assuming a linear demand curve, find the optimal price to charge if the goal is to maximize revenue.  (Note: the price does not necessarily have to be $20 or $18.)

Show your work/thought process

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