How is game theory calculated for duopoloy and monopoly in the examples below?

Game Theory Duopoly: Independently 2 rms, E and T, each act like a monopolistic competitor. They know if they can successfully make a deal to divvy-up the market (act like a cartel), they can restrict output, raise the selling price, and increase their prots. T: Collaborate Cheat E: Collaborate 20 l 0 Cheat Monopoly: Firm M enjoys a substantial barrier to entry for its activities. Firm P currently operates elsewhere, but could enter and compete with M if it decides to. M: Nasty Nice P: Switch 2 4 over Stay out Loop: 2 rms continually modify their activities in response to actions by the other. Fl: Adjust Marketing Adjust Advertising F2: Plans Adjust 6 5 R&D Adjust 2 3 Products 4 Is there any way to change the numbers (rewards) for rm F2 in the boxes A, B, C, D to cause clockwise looping