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Trial Balance with Turnover Report is a Table mode representation of General Ledger of the company . The Report is located in Accounting module in "Reports" Section.
(Accounting > Reports >Trial Balance with Turnovers).
The balances of all GL accounts from the Chart of Account that were involved in the selected period will be shown in this report. The accounts that don’t have any transaction during the selected period will not be shown there.
Opening balance column shows the balance of each ledger account on the starting date as the sum of all debits and credits that have been entered to that account based on all related business transactions.
Period Turnovers column shows the sum of all debits and credits that have been entered to that account based on all related business transactions during the selected period.
Closing balance column shows the ending balance of each ledger account on the closing date as the sum of all debits and credits that have been entered to that account based on all related business transactions (including the values in Opening balance column).
In FirstBIT ERP records in book are created automatically once you enter the main documents. In order to check which transactions in General Ledger have been created you need to press DR-CR sign (Document’s Register Records) on the header of any document. 
If the document has the reflection in Trial Balance (General Ledger) in Document’s Register Records it should have the Accounting Register ‘General Ledger’ part filled.
In Trial Balance with Turnovers if you double-click on any value (except Total Values) it will give you the detailed information about this account in two forms: Account’s Trial Balance and Statement of Account where you can see all transactions that are included in the value.