Feature
Installment Sales
Generate flat or reducing-interest schedules in seconds. Auto-mark overdue. Customer ledger updates live.
What you get
- Two interest models: flat (simple) and reducing (amortized) — both verified by automated tests
- Schedule generated and locked at sale time — historical reports never recompute
- Auto-mark overdue: nightly worker flips status, plan goes red on dashboard
- Per-payment partial payment supported — running balance always correct
- Customer ledger auto-updates with debit, payment, and refund events
- Reminders via email today, SMS/WhatsApp on the roadmap