Question: 23. (3 points) When a small online discounter prices a used paperback text- book at $40, the company's manager expects an average of 600 texts

23. (3 points) When a small online discounter prices a used paperback text- book at $40, the company's manager expects an average of 600 texts to sell in a semester. She has observed that when they increase the price of a text by $2, sales drop by an average of 40 per semester. Assuming the demand function is linear, find the price they should charge in order to maximize their revenue from the sales of the text in a semester. a. $45 b. $35 c. $28 d. $32 e. $40
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