4. If the cartel price for some commodity earns each firm $10 million, if each firm can earn $3 million in the competitive market, and if each firm can, by 230 The Prisoners' Dilemma and Collective Action defecting from the cartel, capture the entire market, which of the following games best illustrates this situation (all numbers are in millions)? . 10, 3 12,0 0, 12 3, 10 b. 10, 10 20, 0 0, 20 3,3 . 10, 0 0,0 0, 10 3, 3 d. 0, 20 3,3 10, 10 20, 0 . none of the above