{
  "kind": "SYNTHETIC WORKED EXAMPLE, no actual supplier quotes",
  "assumptions": [
    "Both fictional offers meet the same specification",
    "All 25 boxes usable",
    "Tax assumed zero solely for exercise",
    "No unknown required charges"
  ],
  "rules": {
    "delivered_total_usd": "merchandise_usd + shipping_usd + other_fees_usd + tax_usd",
    "delivered_cost_per_unit_usd": "delivered_total_usd / units"
  },
  "orders": [
    {
      "supplier": "Fictional supplier A",
      "units": 25,
      "merchandise_usd": 30,
      "shipping_usd": 18,
      "other_fees_usd": 2,
      "tax_usd": 0,
      "delivered_total_usd": 50,
      "delivered_cost_per_unit_usd": 2.0
    },
    {
      "supplier": "Fictional supplier B",
      "units": 25,
      "merchandise_usd": 40,
      "shipping_usd": 4,
      "other_fees_usd": 0,
      "tax_usd": 0,
      "delivered_total_usd": 44,
      "delivered_cost_per_unit_usd": 1.76
    }
  ],
  "conclusion": "Fictional supplier B is cheaper delivered under these stated assumptions"
}