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【单选题】
Suppose that you bought an automobile that cost $10,000 two years ago and your car could be sold now for $5,000. You are trying to decide whether to drive or take the train to Shanghai to attend a concert. You have ample cash to do either, but you don’t want to waste money needlessly. Which of the following costs is relevant to this decision ?A.
annual cost of licensing your car
B.
the historical purchasing cost of $10,000
C.
the cost of the train ticket
D.
the market price of $5,000 in the second-hand market.
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