Emma runs a small bakery. She makes cookies and sells them at a local market. Each batch of cookies costs her $50 to make, and she sells each batch for $120. Last month, she made and sold 20 batches of cookies. However, she had to pay an additional $200 for booth rental at the market. How much profit did Emma make last month? Let's think step by step and output the final answer within \boxed{}.
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