System accounts
This form shows the relationship of system transactions to general ledger accounts:

The most important ones are:
Penny difference in default currency – indicates the general ledger account to which roundings are recorded, that the foreign exchange rate is converted to the company rate and 1 or more cents remain due to rounding (to the nearest cent).
Year-end result – recording the year-end closing result (difference between income and expenses).
Reporting year Profit (loss) – recording the last year’s closing result (difference between income and expenses).
Previous year’s profit (loss) – recording the older year’s closing result (difference between income and expenses).
Customer cash discount – total sales discount.
Customer invoice discount – total purchase discount.