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marginal changes

jshapert on 1. Sep, 2016 — Lang: English

marginal changes
  • Description

    wooooo

    Transcript

    Expand

    1 CD- $9.00 2 CDs- $14.00

    I want one cd

    But wait...

    2 Cds please! I changed my plan because this makes more sense!

    Tags:
    economics
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