{
  "amount": 2400.0,
  "due": "2026-09-15",
  "today": "2026-10-16",
  "days_overdue": 31,
  "chargeable_days": 31,
  "monthly_rate": 0.015,
  "interest": 36.69,
  "flat_fee": 0.0,
  "late_fee": 36.69,
  "capped": false,
  "total_due": 2436.69,
  "stage_by_days": 3,
  "reminders_sent": 0,
  "stage": 3,
  "stage_label": "final notice",
  "fee_per_extra_week": 8.28
}