Analyze the following tweet to determine the level of anger expressed. The levels are: 0: no anger can be inferred, 1: low amount of anger can be inferred, 2: moderate amount of anger can be inferred, 3: high amount of anger can be inferred.
Tweet: #LT a mom let her kid pay for the bus. The kid dropped the coins. I'm boiling in rage. My face may be straight bu my eyes say IMGONNAKILLYA