問題詳情
4 假設某甲一天可做 10 支毛筆或是 2 支鋼筆，某乙一天可做 5 支毛筆或 2支鋼筆。某甲做一支毛筆的機會成本比某乙做一支毛筆的機會成本為：
(A)低 0.2 支鋼筆
(B)低 0.4 支鋼筆
(C)高 0.2 支鋼筆
(D)高 0.4 支鋼筆
(A)低 0.2 支鋼筆
(B)低 0.4 支鋼筆
(C)高 0.2 支鋼筆
(D)高 0.4 支鋼筆
參考答案
無參考答案
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