21 凡是用掉而無法收回的成本,稱之為何?
(A)變動成本(variable cost)
(B)沒入成本(sunk cost)
(C)邊際成本(marginal cost)
(D)長期成本(long-run cost)
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統計: A(6), B(248), C(3), D(6), E(0) #3190189
統計: A(6), B(248), C(3), D(6), E(0) #3190189