1-Checking and posting sales invoices based on sales orders and matching all needed details 

2-Matching customers' balances and communicating with them.

3-Posting all daily cash and banks transactions on the accounting system and making needed adjustments -if any-

4-Create and monitor a system of controls, procedures, and forms for the recordation of fixed assets  

5-Record fixed asset acquisitions and dispositions in the accounting system

6-Calculate depreciation for all fixed assets