正大股份2020年经营成果报告目录一、实现利润分析..................................................................................................................................21、利润总额....................................................................................................................................22、营业利润....................................................................................................................................23、投资收益....................................................................................................................................34、营业外利润................................................................................................................................35、经营业务的盈利能力................................................................................................................3二、成本费用分析..................................................................................................................................41、成本构成情况............................................................................................................................42、总成本变化情况及原因分析....................................................................................................43、营业成本控制情况....................................................................................................................5三、盈利能力分析..................................................................................................................................51、盈利能力基本情况....................................................................................................................62、净资产收益率............................................................................................................................63、净资产收益率变化原因............................................................................................................74、总资产报酬率..........................................................................................................