单选题 During execution, a functional manager asks you to use a model C generator of model B on your project. The functional manager says that model C will solve the needs of the project and provide some benefits to the manufacturing department. You look at the cost associated with model C and discover that it is substantially higher than model B. If you are not sure you can justify the more expensive model, what do you do?

A、 Review the specification of each to validate the manager's claim
B、 Measure the differences in using each model and present them to senior managemen
C、 Use model C and cut other tasks to make up for the added cos
D、 Do a life cycle analysis and present the results to your bos

【正确答案】 D

【答案解析】[解析] 在项目执行期间, 职能经理要求你用模型C代替模型B, 职能经理说模型C可以解决项目需求并且为生产部门带来利益。你查看了模型C的成本发现它高于模型B。如果你无法确定自己能证明应该用较贵的模型, 你需要做什么? A) 评估每个模型的规格说明以确认经理的声明。 B) 评估使用两种模型的不同之处, 然后呈送给高层经理。 C) 使用模型C并取消其他任务来弥补增加的成本。 D) 做一个生命周期分析并将结果呈送给你的上司。你需要分析哪个方案生命周期成本最低。选项D等于进行了分析，可以请上司做决策。