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1/5000 * 25000 + 20/5000 * 1000 + 50/ 5000 * 600 + 100 / 5000 * 300 + 400/5000 * 150 - 20
1/5000 * 25000 + 20/5000 * 1000 + 50/ 5000 * 600 + 100 / 5000 * 300 + 400/5000 * 150 - 20
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