21. Error reports are an example of:

A. scheduled reports
B. demand reports
C. exception reports
D. predictive reports
E. management reports

22. A constraint that does not, affect the feasible solution region is known as

A. redundant constraint
B. unbounded solution
C. slack variable
D. surplus variable
E. None of the above

23. The product structure file is also called the

A. item master file
B. bill of materials file
C. operations file
D. All of the above
E. None of the above

24. Econometric models include techniques from

A. economics
B. statistics
C. mathematics
D. All of the above
E. None of the above

25. Average inventory level is reduced by

A. decreasing the vendor lead time
B. increasing the usage rate
C. decreasing the order quantity
D. lowering the reorder point
E. None of the above