根据折中原则进行决策最大值系数a=0.75)，A方案能使该餐厅获得经济效益为( )万元。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28616' and id < 2336560 and id<>'2336560' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28616' and id > 2336560 and id<>'2336560' order by id asc limit 5