curl --request POST \
  --url 'https://api.stateset.com/api/v1/reports/close-the-books' \
  --header 'Authorization: Bearer YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
  "inventory": [
    {
      "quantity": "string",
      "sku": "string",
      "valuation": "string"
    }
  ],
  "lines": [
    {
      "cost": "string",
      "sku": "string"
    }
  ]
}'

{
  "is_ready": true,
  "zero_cost_count": 1,
  "zero_cost_skus": [
    "string"
  ],
  "zero_valuation_count": 1,
  "zero_valuation_items": [
    {
      "quantity": "string",
      "sku": "string"
    }
  ]
}