Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
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