不属于成本计算基本方法的是（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26183' and id < 2193825 and id<>'2193825' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26183' and id > 2193825 and id<>'2193825' order by id asc limit 5