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【单选题】
Refer to Figure 9-15. Producer surplus with the tariff isA.
G.
B.
C + G.
C.
A + C + G.
D.
A + B + C + G.
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【单选题】产量变动之所以影响产品单位成本,是因为( )。
A.
在产品全部成本中包括了一部分变动费用
B.
在产品全部成本中包括了一部分相对固定费用
C.
产品总成本不变
D.
产品产量增长小于产品总成本增长
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