試題詳解

2. Alan, Bob, and Carlos are woodworkers who all make tables and chairs. In one month, Alan can make 6 tables or 18 chairs, whereas Bob can make 6 tables or 12 chairs, and Carlos can make 4 tables or 4 chairs. Who has the lowest opportunity cost of making tables?
(A) Alan
(B) Bob
(C) Alan and Bob
(D) Carlos