Emily runs a small business and has to calculate her monthly tax obligations. She sells three types of products: candles, soaps, and lotions. Each month she sells 100 candles at $5 each, 150 soaps at $3 each, and 50 lotions at $10 each. She is required to pay 15% of her total earnings in taxes. How much tax does Emily owe at the end of the month? Let's think step by step and output the final answer within \boxed{}.
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