Gome 20 Sender give O 2 1 Receiver Receiver return 1 2 20 2 1 .O 2 4 2 3 D 2 4 2 Story. Sender has $ 2 and can give some to the Receiver whatever is sent / given is doubled . Receiver can choose how much to give back . For the payoffs provided in the game ( above) find subgame perfect Nash Equilibrium. what is the wealth-maximizing I Pareto- efficient outcome