Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: i just spent $40 on big little sis tomorrow and i am beyond happy about it #SAW #mirth #mums
This tweet contains emotions: 
joy