某项目活动A的成本估算为1000元，总工期为10天，项目经理在施工第八天晚上查看工作进度，发现只完成了70%成本消耗600元。为了不影响项目整体进度，活动A需要按时完工，项目经理计划在现有成本条件下进行赶工，请计算活动A完工尚需效绩指数（TCPI）为（ ）。
- A.1.5
- B.0.75
- C.1.17
- D.0.8
正确答案及解析
正确答案
解析
本题考查的是成本的相关计算。
首先结合题干可以得出项目的BAC=1000元，通过“发现只完成了70%，成本消耗600元”这句话可以看出EV＝700元，AC＝600元。
为了按时完工，TCPI公式为TCPI＝（BAC－EV）/（BAC－AC）＝（1000－700）/（1000－600）＝0.75。
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