Find total profits of the monopolist under the following market
conditions: Demand: P=250-4Q Fixed Costs = 200 MC = 50
Select one:
a. 2600
b. 2450
c. 2300
d. 2750
Demand: P=250-4Q
Total revenue(TR)= P x Q= 250Q-4Q2
Marginal revenue(MR)= Differentiation of TR with respect to Q= 250-8Q
MC= 50
For equilibrium price and quantity in monopoly, Put:
MC=MR
50= 250-8Q
8Q= 200
Q= 200/8= 25
Use Q= 25 in Demand function:
P= 250-4(25)= 250-100= 150
Total revenue(TR)= P x Q= 150 x 25= 3750
Variable cost= Integration of MC wrt Q= 50Q
Fixed cost= 200
Total cost(TC)= Fixed cost + variable cost= 200+50(25)= 200+1250= 1450
Total profit= TR-TC= 3750-1450= 2300
Option c is the correct answer
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