某制冷制造公司生产的冰柜每台售价4000元，单位变动成本2000元，年固定成本8000万元，请问保本产量是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29327' and id < 2387455 and id<>'2387455' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29327' and id > 2387455 and id<>'2387455' order by id asc limit 5