PROFIT OF A COMPANY The total revenue realized in the of x units of the LectroCopy photocopying machine is -0.04x² + 2000.x dollars/week, and the total cost incurred in manufacturin x units of the machines is 0.000002³ -0.02x² + 1000x + 120,000 dollars/week (0 ≤x≤ 50,000). Find an expression giving the total weekly profit of the company. Hint: The profit is revenue minus cost.

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