This is a hard question but i think sentence 2 has one
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sorry for the rough work...hope this helped though
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The tone is based on word choice, so the meaning of words explain the ways the author feels about a topic or subject
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opportunity costs are the alternative choice in which you could make when making a financial decision while a trade-off is something that you could switch out in order to make a different decision
He reviled that someone, most likely boo, had fixed them the best they could. This shows that boo might not be so bad after all. (;
