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Stage 1
Answer 3 questions correctly in a row.
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Gary is deciding whether to buy a copy of a book or borrow it from the library. He would like to be able to keep the book as long as he wants, but buying the book would cost money. He could borrow the book for free, but he would have to return it in a few weeks.
Suppose Gary decides to buy a copy of the
book.
Which result would be a
cost?
Gary will get to keep the book as long as he wants.