Billing Suite
Provider Cost & Margin (Phase 11)
Waterfall: gross - tax - provider cost - shares = net platform revenue.
FX Pricing (Phase 12)
USD->ETB conversion priced off a time-boxed provider quote with spread + margin.
Subscription Billing (Phase 13)
Monthly plan: flat recurring + metered usage above the included allowance, minus credits.
Billing Document (Phase 14)
Builds a reconciled tax invoice; localization never changes the financial totals.