采用净现值法评价投资项|i1可行性时，贴现率选择的依据通常有( )。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28013' and id < 2297215 and id<>'2297215' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28013' and id > 2297215 and id<>'2297215' order by id asc limit 5