A man, having $2 in his pocket, goes to play his favourite game at a casino. The entry fee for the game is $1. If he wins he gets $2 back whereas if he loses he gets nothing. He plays the game multiple times. He does not lose more than twice and leaves the casino as soon as he has $4 in his pocket. How many different Win-Loss sequences are possible for him?(a) 19 (b) 7 (c) 8 (d) 20[DISCUSS PLZZ]

1) a
2) b
3) c
4) d