Question：Which of the following statements correctly describes an attainable standard?
A. This standard is based on perfect operating conditions.
B. This standard makes allowances for expected wastage and inefficiencies.
C. This standard should give employees a realistic, but challenging target of efficiency.
D. This standard is based on the hope that a standard amount of work will be carried out efficiently.
E. This standard is the least useful and most rarely used type of standard.
The correct statements are:
This standard makes allowances for expected wastage and inefficiencies; This standard is based on the hope that a standard amount of work will be carried out efficiently; This standard should give employees a realistic, but challenging target of efficiency.
The least useful and most rarely used type of standard is the basic standard, which is kept unaltered over a long period of time and may be out of date.
The standard that is based on perfect operating conditions is the ideal standard which makes no allowances for wastage or inefficiencies.