多选题:在企业投资项目可行性研究中,运营期财务效益与费用估算包括(  )的估算。

题目内容:
在企业投资项目可行性研究中,运营期财务效益与费用估算包括(  )的估算。 A.流动资金
B.营业收入
C.设备及工、器具购置费
D.运营成本及费用
E.建筑工程费

参考答案:
答案解析:

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