Determining Game Price with Payoff Matrix: a11=a, a12=b, a21=c, a22=d

There is not enough information to determine the price of the game with the given payoff matrix. The price of the game would depend on various factors such as the players' strategies and the probability distribution of their choices. The condition that a + d ≠ b + c only ensures that the game is not a zero-sum game, but it does not provide any information about the price.