問題：Which of the following statements is correct?
　　A. The operating standards set for production should be the minimal level.
　　B. The operating standards set for production should be the maximum level.
　　C. The operating standards set for production should be the attainable level.
　　D. The operating standards set for production should be the most ideal possible.
　　答案：The correct answer is:The operating standards set for production should be the attainable level.
　　It is generally accepted that the use ofattainable standardshas the optimum motivational impact on employees. Some allowance is made for unavoidable wastage and inefficiencies, but the attainable level can be reached if production is carried out efficiently.