Answer:
c). Zero sum game
Explanation:
In a zero sum game, the net gain (change in wealth) is always zero. A competitive scenario when one person's or a group's gain results to another person's or group's loss is a zero sum game. Examples of zero sum games include; poker, tennis, chess, etc.
In a zero sum game, the net gain is always zero which means there is no net gain amount all participating parties. In this case, there is no wealth created and also, no wealth is destroyed.
