某软件系统经测试发现有错误并不能满足质量要求，为了纠正其错误投入了10人?天的成本，此成本（ ） 。
- A.是开发成本并不属于质量成本
- B.是开发成本也属于质量成本中的一致成本
- C.属于质量成本中的故障成本
- D.属于质量成本中的评估成本
正确答案及解析
正确答案
解析
质量成本分为：1） 预防成本，是指那些为保证产品符合需求条件，无产品缺陷而付出的成本。2） 评估成本，是指为使工作符合要求目标而进行检查和检验评估所付出的成本。3） 缺陷成本（故障成本），又进一步分为内部的和外部的缺陷成本。内部缺陷成本是指交货前弥补产品故障和失效而发生在公司内的费用。外部缺陷成本是指发生在公司外部的费用，通常是由顾客提出的要求。
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