1. There are a lot of documents. The documents are as follows:
1.1. Customer data sheet
1.2 Documents to order
1.3 Sales documents, including details of the sold items
1.4. Product warranty information
2. Various documents were difficult to find because of the clutter storage
3. Waste space to store files, documents, because there are several documents that must be stored and
4. The information is redundant, because sometimes the customer may buy multiple times and sales information is collected each time a document is a duplicate.
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