Mr. Mohammed is the cost auditor of Zubair company during the year end audit of financial report he found out that there are some over pricing of material purchased and some irregularities on official receipt .Many are tampered receipts he consulted the finance manager about the issue Mr. Mahmoud is the finance manager who made the investigation about the issued. Based up on the scenario 

1. Explain the processor to be done by Mr. Mahmoud.

2. Describe the standard of cost auditing processor that should have been done by Mr.Mohammed.