If a commodity is reduced by 10% at the current price, it will make a profit of 200 yuan. If it is reduced by 20% at the current price, it will lose 220 yuan

If a commodity is reduced by 10% at the current price, it will make a profit of 200 yuan. If it is reduced by 20% at the current price, it will lose 220 yuan

Current price = (200 + 220) / (20% - 10%) = 4200 yuan
Purchase price = 4200 × (1-10%) - 200 = 3580 yuan
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