{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ChangeAPR",
  "title": "ChangeAPR",
  "description": "Change in APR for an aggregated card account.",
  "properties": {
    "previousAPR": {
      "type": "string",
      "description": "Previously recorded APR for a specific card account.",
      "readOnly": true
    },
    "currentAPR": {
      "type": "string",
      "description": "The current APR for the same card card account.",
      "readOnly": true
    },
    "change": {
      "type": "string",
      "description": "Absolute change in APR calculated as currentAPR - previousAPR.",
      "readOnly": true
    }
  },
  "required": [
    "previousAPR",
    "currentAPR",
    "change"
  ]
}