Answer: 1. D. Both the companies will advertise their products.
2. C. the return from each action that players can take in a game.
Step-by-step explanation:
1. It should be noted that in a situation whereby the cost of the advertising is negligible, the outcome of this game will be that the companies will both advertise their products. By doing this, both of the companies will b better off as there'll be an increase in sales. Therefore, the correct option is D.
2. The payoff matrix is used to show the possible outcome that'll be made by an economic entity when a strategic decision is made by the individual or firm. It shows the return from each action that the players can take in a game. Therefore, the correct option is C.