单选题:以因增加或减少运输数量而引起总成本的变动为基础确定运输价格的方法,属于(  )。

题目内容:
以因增加或减少运输数量而引起总成本的变动为基础确定运输价格的方法,属于(  )。 A.变动成本论
B.边际成本论
C.浮动成本论
D.成本加成论
参考答案:
答案解析:

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