债券内含收益率的计算公式中不包含的因素是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25014' and id < 2129868 and id<>'2129868' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25014' and id > 2129868 and id<>'2129868' order by id asc limit 5