某工程月计划完成混凝土浇筑量为800 m3,计划单价为550元/m3,因追赶工期，实际浇筑量为950 m3,实际单价为520元/m3,则费用偏差为（ ）元。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25929' and id < 2176378 and id<>'2176378' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25929' and id > 2176378 and id<>'2176378' order by id asc limit 5