BIG Inc., seeks to enhance application controls and related business processes over purchasing quality goods from suppliers. To achieve this go, an organization would typically implement all of the following except for the following: 

1) Validity check of supplier number on all purchase orders 

2) Encrypt customer sales information 

3) Restrict access to the supplier master file 

4) Verify all changes to the supplier master file

Answer rating: 100% (QA)

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