Given the following total-revenue and total-cost functions of a firm: TR = 4Q TC = 0.04Q³ – 0.9Q² + 10Q + 5 determine the level of output at which the firm maximizes its total profit. determine the maximum profit that the firm could earn.

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
14th Edition
ISBN:9781305506381
Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
Publisher:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
ChapterB: Differential Calculus Techniques In Management
Section: Chapter Questions
Problem 1E
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Given the following total-revenue and total-cost functions of a firm:

TR = 4Q

TC = 0.04Q³ – 0.9Q² + 10Q + 5

  1. determine the level of output at which the firm maximizes its total profit.
  2. determine the maximum profit that the firm could earn.

    show solution , explain thoroughly 
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