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21. 

Which of the following does not fail in the Personnel Decision-Making Area:
A. pay-rolls
B. cash flow analysis
C. income-tax assessment and recovery
D. person's experience
E. None of the above
22. 

Functional subsystems are connected by
A. resource flows
B. decision flows
C. information flows
D. data flows
E. None of the above
23. 

The common practice is to maintain
A. one generation of data files
B. two generations of data files
C. three generations of data files
D. batch processing
E. None of the above
24. 

Trailer labels contain
A. file identification
B. retention period
C. both (a) and (b)
D. neither (a) nor (b)
E. None of the above
25. 

A retailing business involves which of the following functions?
A. engineering
B. maintenance
C. plant operations
D. All of the above
E. None of the above