Find all Nash equilibria in pure strategies of the following game. (The first number in each cell is the payoff of the row player, the second number is the payoff of the column player.)

1. Find all Nash equilibria in pure strategies of the following game. (The first number in each cell is the payoff of the row player, the second number is the payoff of the column player.) Firm C Spend 5 Spend 10 Spend 15 Spend 5 45, 45 28, 57 20, 60 Firm R Spend 10 57, 28 40, 40 30, 45 Spend 15 60, 20 45, 30 35, 35