Fee Calc as a Service with eRecs Initial calculation Broker loads payables and receivables into eRecs Broker 1 eRecs queries the Fee Calc service with trade details 2 5 Invoice Management Reconciliation Engine Pay / Receive Tracking Atlantis matches and calcs with agreements and rate schedules stored in Docs 3 payables receivables & eRecs Trades enriched with calc results sent back to eRecs for review and action 1 4 eRecs makes available a file of the calculation results 4 5 3 request / response calc Fee Calc Docs 2 Atlantis agreements and rate schedules