{
  "firstTableRows": [
    {
      "[SaleId]": "0001",
      "[Region]": "North",
      "[ReportMonth]": "2026-09",
      "[Amount]": 1200,
      "[DiscountRate]": 0.0123
    },
    {
      "[SaleId]": "0002",
      "[Region]": "North",
      "[ReportMonth]": "2026-09",
      "[Amount]": 800,
      "[DiscountRate]": 0
    },
    {
      "[SaleId]": "0003",
      "[Region]": "South",
      "[ReportMonth]": "2026-09",
      "[Amount]": 900,
      "[DiscountRate]": null
    },
    {
      "[SaleId]": "0004",
      "[Region]": "South",
      "[ReportMonth]": "2026-09",
      "[Amount]": 600,
      "[DiscountRate]": 0.05
    }
  ]
}