Help figuring out (move game)

Consider the case of a Simultaneous-Move Game PEPSI COLA Aggressive Restrained Aggressive Box 1 Box 2 COCA-COLA 26 , 46 3 , 79 Restrained Box 3 Box 4 31 , 49 48 , 7 Part 1: Is there a dominant Strategy for Coca-cola? (Answer using numbers, ie. 1, 2 or 3) 1. No 2. Yes, Aggressive ParB. 2 Yes,threestrandedinant Strategy for Pepsi-Cola? (Answer using numbers, ie. answer 1, 2 or 3) 1. No 2. Yes, Aggressive 3. Yes, Restrained Part 3. Is Box 1 a Nash Equlibrium? (Answer 1 for No, 2 for Yes) Part 4. Is Box 2 a Nash Equlibrium? (Answer 1 for No, 2 for Yes) Part 5. Is Box 3 a Nash Equlibrium? (Answer 1 for No, 2 for Yes) Part 6. Is Box 4 a Nash Equlibrium? (Answer 1 for No, 2 for Yes)