The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, produced by Phonola Media, is related to the price per compact disc. The equation p = −0.00041x + 5    (0 ≤ x ≤ 12,000) where p denotes the unit price in dollars and x is the number of discs demanded, relates the demand to the price. The total monthly cost (in dollars) for pressing and packaging x copies of this classical recording is given by C(x) = 600 + 2x − 0.00002x2    (0 ≤ x ≤ 20,000). To maximize its profits, how many copies should Phonola produce each month? Hint: The revenue is  R(x) = px,  and the profit is

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 The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, produced by Phonola Media, is related to the price per compact disc. The equation
p = −0.00041x + 5    (0 ≤ x ≤ 12,000)
where p denotes the unit price in dollars and x is the number of discs demanded, relates the demand to the price. The total monthly cost (in dollars) for pressing and packaging x copies of this classical recording is given by
C(x) = 600 + 2x − 0.00002x2    (0 ≤ x ≤ 20,000).
To maximize its profits, how many copies should Phonola produce each month? Hint: The revenue is 
R(x) = px,
 and the profit is 
P(x) = R(x) − C(x).
 (Round your answer to the nearest whole number.)
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