Page 123 - F5 Slides 2017-18
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INFORMATION
Sources
Internal - sales/purchase ledger, payroll and fixed assets
External sources - suppliers, customers and the government
Cost
Most information is free, but some does come at a cost to obtain. E.g.
Agency
Type
Qualitative cannot normally be expressed in numerical terms. It is often
in the form of opinions.
Access
There are controls over input (check digit), processing (audit trail) and
output (passwords and access rights).
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