Firm A and Firm B are strategic competitors. Each firm simultaneously selects one of three advertising strategies. The advertising strategies include the Rock strategy, the Paper strategy, and the Scissors strategy. Profits for each possible outcome are shown in the table below. Green indicates a positive profit. Red indicates a loss. Black indicates a break-even outcome. Question: Does this game have any Nash equilibrium? If so, state which pairs of strategies would be an equilibrium, if any. If not, explain why