VisualEyes Inc. operates in a highly competitive market for eye glasses. Price is set at $30 and total cost is as follows:
TC = 722,500 + 10Q + 0.0004Q2
a) Calculate the output level (Q) that will maximize profit
b) Calculate the maximum profits
Answer :
Price = $30
TC = 722500 + 10Q + 0.0004Q^2
So marginal cost (MC) is calculated by differentiating TC with respect to Q :
MC = 10 + 2*(0.0004Q) = 10 + 0.0008Q
a) Profit maximized at the point where P = MC
Thus : 30 = 10 + 0.0008Q
20 = 0.0008Q
Q = 25000 is the profit maximizing quantity
b) When Q = 25000
Total Revenue = P * Q = $30 * 25000 = $750000
Total Cost = 722500 + 10*25000 + 0.0004*(25000)^2
Total Cost = $1222500
Profit = Total Revenue - Total Cost = $750000 - $1222500 = - $472500 at this level.
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