If the value of total revenue and the total cost is 600 and 200. Then the profit of the monopoly in equilibrium will be 400.
Benefit is the cash a business pulls in subsequent to representing all costs.
A monopoly produces widgets at a marginal cost of $20 per unit and zero fixed costs. It faces an inverse demand function given by
p = 100 − 4q
Total revenue = P x Q = (100 - 4Q) x Q = 100Q - 4Q²
Then
MR or marginal revenue = 100 - 8Q
Equilibrium is at a point when MR = MC
100 - 8Q = 20
8Q = 80
Q = 10
Then we have
P = 100 - 4 x 10 = 60
Then the total revenue will be
Total revenue = 60 x 10 = 600
Then the total cost will be
Total cost = 10 x 20 = 200
Then the profit will be
Profits = 600 - 200 = 400
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