It is the summer of 2019 and John has the option to work at a library or at a movie theater. He cannot work at both places at the same time. The hourly wage at library is $10, while it is $15 at the movie theater. For John, what's the opportunity cost of having a 2-hour-party with his friends?

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Lets break this down stepbystep John can work at a library for 10hour or a movie theater f... View the full answer