题目内容
(请给出正确答案)
[主观题]
还盘一经做出,原发盘即告失效。()
还盘一经做出,原发盘即告失效。( )
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第4题
A、explicit and implicit costs, including a normal profit
B、neither implicit nor explicit costs
C、implicit, but not explicit, costs
D、explicit, but not implicit, costs
第5题
A、explicit costs + implicit costs.
B、explicit costs only
C、implicit costs only
D、explicit costs + implicit costs + total revenue
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