- Invoice.

- Perform cash collection operations: collect debts, receive payments from cashiers daily.

- Track payments via Company card and bank deposits.

- Check customer payments.

- Manage and verify the reasonableness and validity of revenue and expenditure documents according to regulations.

- Check and compare debts upon request, monthly, quarterly, and annually.

- Make a debt report on revenues before the 20th of every month.

- Do bookkeeping.

- Store records according to regulations.