Task: Determine the dominant emotion in the tweet and classify it as either 'neutral or no emotion' or one of the eleven provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: I'm sorry but since when is an #indiegames #DLC worth nearly £130 that's just plain lunacy when the game itself is £20odd, #astounded 😱
This tweet contains emotions: 
anger, sadness, surprise