Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture 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