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

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

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Management Information Systems
A systems theory of management includes

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

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