不定项选择题:(四)某铁路局上半年最高月份(6月份)运量为520000万换算吨公里,当月运输总成本费用为56000千元,最低月份(3月

题目内容:
(四)
某铁路局上半年最高月份(6月份)运量为520000万换算吨公里,当月运输总成本费用为56000千元,最低月份(3月份)运量为420000万换算吨公里,当月运输总成本费用48000千元,上半年总量为3000000万换算吨公里,总的成本费用为350000千元,预计7月份运量将为530000万换算吨公里,请你对该路局作如下分析。
该路局上半年变动成本费用率为( )。 A.0.08千元/万换算吨公里
B.8千元/万换算吨公里
C.0.8千元/万换算吨公里
D.8元/万换算吨公里

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