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OpenStudy (anonymous):

Which is an example of thinking at the margin? A. figuring out what you will give up and what you will gain by hiring a new worker B. thinking about whether or not to go on a vacation to a warm beach C. drawing plans to build an extra room on an old home D. deciding whether to have a dog or a cat as a pet

OpenStudy (anonymous):

a

OpenStudy (anonymous):

thank you so much

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