- Receipt Billing Vendors
- Account Payable A/P
- Prepare Payment Local
- Keep document Payment Voucher.
- Reconcile & making withholding taxed
- Making Por Ngor Dor 3,53,54,36
- Making Por Thor 30
- Report Purchase vat
- Billing Customer
- Issue Sale Inv. Local
- Report Sale vat
- Inventory Control
- Making Cost
- Compare Costs and Sales
- Closing Inventory
- Making Purchase Order