Procedures and Instructions. The procedures and instructions of AIS are the methods it uses for collecting, storing, retrieving, and processing data. These methods are both manual and automated. The data can come both from internal and external resources. Procedures and instructions will be coded into the AIS software. However, the procedures and instructions should also be "coded" into employees through documentation and training. The procedures and instructions must be followed consistently in order to be effective. Enumerate how the business transactions mentioned below are processed in AIS Environment:

1. Purchasing
2. Sales
3. Production (manufacturing)