1
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Two sales tables tell a clear story: $23,050 in net sales and 50.54% month-over-month growth in this synthetic case.

2
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The order and product CSV files contain 16 order rows. Deduplicating by order ID leaves 15 orders across 3 products.

3
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Net sales equal gross sales minus refunds: $23,850 minus $800 equals $23,050. Missing regions remain a separate group.

4
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February net sales are $9,200 and March sales are $13,850: a 50.54% increase. February has no prior-month baseline.

5
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Atlas leads product sales at $10,000. East represents 40.35% of net sales. Every group can be checked against the source.

6
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