Accounts are prepared according to accounting concepts, principles and conventions. As final accounts are prepared on accrual basis, this becomes essential to subtract all those expenses that are basically paid during the current financial year though applicable to the other accounting periods. And to add all those expenses, that benefit the current accounting period either the payment was form or not. As same in case of earnings, subtract all such revenue items, obtained in the current accounting period but appropriate to the other accounting period s. Add all those revenue items, that have been earned currently but not even been received. The over stated corrections in the final account are termed as Adjustments that are made with the help of adjusting entries. Adjustments make sure a proper matching of costs and revenue for obtaining correct loss or profit for the specified accounting period.