Anna and Lucy both have $10 that they can keep for themselves or contribute to a shared resource. If a player chooses to allocate their $10 to the shared resource, each person receives a benefit of $8. Player 2 Contribute Contribute and Keep Exclude Keep 10,10 18,8 10,8 Contribute 8,18 16,16 16,16 Player 1 Contribute 16,16 and Exclude 8,10 16,16 Suppose that in the investment game above, both Anna and Lucy can exclude non-contributors from using the shared resource. What are the Nash Equilibria? O {Keep; Keep} O {Contribute; Keep} O {Contribute; Contribute} O {Contribute; Contribute and Exclude} O {Contribute and Exclude; Contribute} O {Contribute and Exclude; Keep} O {Keep; Contribute} O {Contribute and Exclude; Contribute and Exclude} O {Keep; Contribute and Exclude}