Kindly help me solve this

[2] Consider a two-player game. Player S (the \"sender\") has $100, and Player R (the \"receiver") has $0. Player 5' moves rst and can choose to give R some of her money. Let x E [0, 1] denote the amount offered. Player R observes the offer and makes the decision to either reject or accept the offer. If R accepts an offer of x, then .S' earns 100 x and R earns x. If R rejects the offer, then both earn 0. (Note: In the experimental economics literature, this is referred to as the Ultimatum Game). (a) What is the Subgame Perfect Nash Equilibrium? (b) Are there other equilibrium of the game (If you answer yes, you need to simply