The following matrix shows the payoffs for an advertising game between Coke and Pepsi. The firms can choose to advertise or to not advertise.

The following matrix shows the payoffs for an advertising game between Coke and Pepsi. The firms can choose to advertise or to not advertise. Numbers in the matrix represent profits; the first number in each cell is the payoff to Coke. (Numbers in millions.) Coke (rows)/Pepsi (columns) Advertise Don't Advertise (10, 10) (500, -50) (-50, 500) (100, 100)