Refer to the normal-form game of price competition shown below.Firm AFirm B??CD?A0,75,2?B5,10,8Which of the following represents the set of possible pure strategy Nash equilibria?
A. {C, D}
B. {A, B}
C. {A, C}
D. {(A, C), (A, D), (B, C), (B, D)}
Answer: D
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