1.
(A)($13.33-$13.75)X18,000,有利。
(B)($13.33-$13.75)X18,000,不利
(C)($13.87-$13.33)X18,000,不利
(D)($13.87-$13.75)X18,000,不利。

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統計: 尚無統計資料