Table 4 Firm B Higher Prices Lower Prices Lower A: $20 A: $5 Prices B: $10 B: $7 Firm A Higher A: $10 A: $10 Prices B: $20 B: $25 13) Table 4 gives the payoff matrix in terms of economic profit for firms A and B when there are two 13) strategies facing each firm: (1) charge a low price, or (2) charge a high price. In Nash equilibrium, firm B makes an economic profit of A) $10. B) $7. C) $5. D) $10. E) $25