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研究所、轉學考(插大)-微積分題庫

【非選題】
4. (40 points) W Bookstore purchases textbooks at wholesale price is $225 per item, and the selling price is $350 per item. Any unsold books are saivaged at S100. Let a denote the order quantity and d denote the demand.

【題組】

(a) (15 points) Write down the proft as
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Determine C1, C2 and C3.