Nadia and Maddie are two college roommates who both prefer a clean common space in their dorm room, but neither enjoys cleaning. The roommates must each make a decision to either clean or not clean the dorm room's common space. The following table shows the payoffs for this situation, where the higher a player's payoff number, the better off that player is. Refer to Table 18-9. If Maddie chooses not to clean, then Nadia will a. not clean, and Nadia's payoff will be 10. b. clean, and Nadia's payoff will be 7. c. clean, and Nadia's payoff will be 50. d. not clean, and Nadia's payoff will be 30