题目:
Which of the following is irrelevant in determining project cash flow for a capital investment()
A. Sunk costs.
B. Tax impacts.
C. Opportunity costs.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:A解析:从当前数据库中移出表或删除表。语法:DROP TABLE TableName | FileName | [RECYCLE]。