Consider the following normal-form game. Players 1 and 2 simultaneously take an action C or D. In each cell of the matrix, the first payoff is player 1's, the second player 2's. What condition should the parameter A satisfy such that the action C is a strictly dominant Player 2 Player 1 strategy for both of the two players. C D C 3+3A, 3+ 3X 4 + X, 1 + 4X D 1+ 4A, 4 + X 2 + 21, 2+2X