What is the Nash$$ equilibrium?

Part $5$

A$.$

The Nash equilibrium is for both stations to pick R$.$

B$.$

The Nash equilibria are for Station A to pick C and Station B to pick R and for Station A to pick R and Station B to pick C$.$

C$.$

The Nash equilibria are for both stations to pick R and for both stations to pick C$.$

D$.$

The Nash equilibrium is for both stations to pick C$.$

E$.$

The game does not have a Nash equilibrium.