运用年金成本法对设备重a方案进行决策时，应考虑的现金流有（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25014' and id < 2129897 and id<>'2129897' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25014' and id > 2129897 and id<>'2129897' order by id asc limit 5