writing the game tree for you in words 1st more A and has 2 opbions a or b. a has payoff of (3,2) b has pay of another subgame tree p or q . if p is chosen then 2 another tree of c with payoff (4,2) or d with payoff (3,4) now going back if chose q then another 2 branch of e with payoff (3,1) or t with payoff (x,3)