Deltra was willing to purchase a dozen cookies for $30 that Deirdre was willing to sell for anything more than $17. If they agreed on a price of $21, how much total value was created in this exchange?

Microeconomics: Private and Public Choice (MindTap Course List)
16th Edition
ISBN:9781305506893
Author:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Publisher:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Chapter2: Some Tools Of The Economist
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Deltra was willing to purchase a dozen cookies for $30 that Deirdre was willing to sell for anything more than $17. If they agreed on a price of $21, how much total value was created in this exchange?

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