{
  "@visokiotype": "QueryApi.FormulaQueryInput",
  "input": {
    "@visokiotype": "QueryApi.AggregateQuery",
    "groupings": [
      {
        "inputField": "Category"
      }
    ],
    "measures": [
      {
        "inputField": "Coupon",
        "function": "SUM",
        "name": "Coupon"
      }
    ]
  },
  "formulas": [
    "SUBSET_MEAN([Coupon]) / 100"
  ]
}