Sally has to decide whether to take the bus or drive to work.The bus ride costs $1.25.The drive costs $1.17 in gas,but will add $0.08 in wear and tear on her car.According to the cost-benefit principle,if all she cares about is money,Sally should...A

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Sally has to decide whether to take the bus or drive to work.The bus ride costs $1.25.
The drive costs $1.17 in gas,but will add $0.08 in wear and tear on her car.According to the cost-benefit principle,if all she cares about is money,Sally should...
A.take the bus.B.drive.C.not prefer either over the other.

A
尽管所付表面一样,但drive无形支付没计算在内.

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