The following are some of the objectives for which cost audit is under taken:
1. To establish the accuracy of costing data. This is done by verifying the arithmetical accuracy of cost accounting entries in the books of accounts.
2. To ensure that cost accounting principles are governed by the management objectives and these are strictly adhered in preparing cost accounts.
3. To ensure that cost accounts are correct and also to detect errors, frauds and wrong practice in the existing system.
4. To check up the general working of the costing department of the organization and to make suggestions for improvement.
5. To help the management in taking correct decisions on certain important matters i.e to determine the actual cost of production when the goods are ready.
6. To reduce the amount of detailed checking by the external auditor if effective internal cost audit system is in operation.