![990_Untitled.png](https://secure.tutorsglobe.com/CMSImages/990_Untitled.png)
a) Does this game have any pure-strategy Nash equilibrium? If so, identify it (or them) and explain why this is an equilibrium.
b) Find a mixed-strategy Nash equilibrium to this game and explain your calculations.
c) Is it possible to find another mixed-strategy Nash equilibrium, assuming that one of the players is adopting a pure strategy? If so, identify it and explain your reasoning.