curl --request POST \
  --url https://api.iotools.cloud/v1/tool/depreciation-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "method": "straight-line",
  "assetCost": "10000",
  "salvageValue": "1000",
  "usefulLife": "5",
  "decliningRate": "40"
}
'

{
  "tool": "depreciation-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "summary": [
      {
        "metric": "Method",
        "value": "Straight-Line"
      },
      {
        "metric": "Total Depreciable Amount",
        "value": "$9,000.00"
      },
      {
        "metric": "First-Year Depreciation",
        "value": "$1,800.00"
      },
      {
        "metric": "Total Accumulated Depreciation",
        "value": "$9,000.00"
      },
      {
        "metric": "Final Book Value",
        "value": "$1,000.00"
      }
    ],
    "schedule": [
      {
        "year": "1",
        "beginning-book-value": "$10,000.00",
        "depreciation-expense": "$1,800.00",
        "accumulated-depreciation": "$1,800.00",
        "ending-book-value": "$8,200.00"
      },
      {
        "year": "2",
        "beginning-book-value": "$8,200.00",
        "depreciation-expense": "$1,800.00",
        "accumulated-depreciation": "$3,600.00",
        "ending-book-value": "$6,400.00"
      },
      {
        "year": "3",
        "beginning-book-value": "$6,400.00",
        "depreciation-expense": "$1,800.00",
        "accumulated-depreciation": "$5,400.00",
        "ending-book-value": "$4,600.00"
      },
      {
        "year": "4",
        "beginning-book-value": "$4,600.00",
        "depreciation-expense": "$1,800.00",
        "accumulated-depreciation": "$7,200.00",
        "ending-book-value": "$2,800.00"
      },
      {
        "year": "5",
        "beginning-book-value": "$2,800.00",
        "depreciation-expense": "$1,800.00",
        "accumulated-depreciation": "$9,000.00",
        "ending-book-value": "$1,000.00"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}