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Mathematics, 28.08.2019 22:50 safelix1260
Suppose you write a book. the printer charges $4 per book to print it, and you spend $5500 on advertising. you sell the book for $15 a copy. how many copies must you sell to break even (total cost equals income for sales)? what is your income (or costs) for that many copies?
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Suppose you write a book. the printer charges $4 per book to print it, and you spend $5500 on advert...
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