3. Identify pure-strategy Nash equilibria, if any, in the following games (using the standard notation): Table 5.1 Identifying pure-strategy Nash equilibria (i) B1 B2 83 14.6 A1 10, 10 20, 0 Az 6.14 0, 20 A3 16.4 24. -4 30, -10 20,0 Table 5.2 Identifying pure-strategy Nash equilibria (ii) B1 82 83 84 A1 10, 10 0. 20 -10, 30 50, -30 Az 20, 0 10, 10 20, 40 60, -40 A3 40, 20 20,0 40, 60 0, 20 Table 5.3 Identifying pure-strategy Nash equilibria (iii) B1 B2 83 A1 20,0 30, 10 10, 10 Az 30, -10 50, -30 20,0 A3 60, -40 0, 20 20, 0 A4 40. 20 40, 20 40, -20