{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:HowToSupply",
  "title": "HowToSupply",
  "description": "A supply consumed when performing the instructions for how to achieve a result.",
  "type": "object",
  "allOf": [
    {
      "description": "An item used as either a tool or supply when performing the instructions for how to achieve a result.",
      "$ref": "schema:HowToItem"
    }
  ],
  "properties": {
    "estimatedCost": {
      "description": "The estimated cost of the supply or supplies consumed when performing instructions.",
      "anyOf": [{ "type": "string" }, { "$ref": "schema:MonetaryAmount" }]
    }
  }
}