Auditing costs
Reconciliation of salaries By the retention of staff salaries and other income, such as bonuses, overtime pay for each month of the ledger. Then test plus vertical and horizontal. By the check sum to match the trial. Test for tax withholding and deduction available. and then test to calculate the net value compared to the first P.N.D and monitor the submission of a deduction in the relevant documents.
Check other costs, Check the accuracy of accounting records that the transaction was recorded as an expense is the actual list by the verification of source documents such as receipts, invoices, tax invoices etc.