Management Information Systems
The amount of a certain product sold to a certain customer in a past period can be obtained from the

sales history file
All of these
None of these
customer file
inventory file

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Management Information Systems
A systems theory of management includes

None of these
the use of objectives or standards of performance describing what is being achieved
the use of both environmental and internal information describing what should be achieved
the manager as the control mechanism
All of these

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