An oligopolist that faces a kinked demand curve is charging price P = 6.Demand for an increase in price is Q = 280 - 40P and demand for a decrease in price is Q = 100 - 10P.Over what range of marginal cost would the optimal price remain unchanged?
A) Between 3 and 5.
B) Between 2 and 5.
C) Between 1 and 4.
D) Between 2 and 4.
E) Between 3 and 4.

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The Answer of An oligopolist that faces a kinked demand curve is charging price P = 6.Demand for an increase in price is Q = 280 - 40P and demand for a decrease in price is Q = 100 - 10P.Over what range of marginal cost would the optimal price remain unchanged?
A) Between 3 and 5.
B) Between 2 and 5.
C) Between 1 and 4.
D) Between 2 and 4.
E) Between 3 and 4.

An Oligopolist That Faces a Kinked Demand Curve Is Charging