21. The following table shows two firms in a single-stage duopoly game. Each firm makes its decision without knowledge of the other firm's decision. The payoffs for each firm represent economic profits, and each firm strictly prefers more economic profit than less. This game would be considered a prisoner's dilemma if X is between _______. | | Chloe | | | | --- | --- | --- | --- | | | | Low Quantity | High Quantity | | Rocky | Low Quantity | Rocky: $2,500; Chloe: $2,500. | Rocky: $1,000; Chloe: $3,500. | | | High Quantity | Rocky: $3,500; Chloe: $1,000. | Rocky: $X; Chloe: $X. |
(A) $0 and $2,500
(B) $1,000 and $2,500
(C) $2,500 and $3,500
(D) $1,000 and $3,500