brasilia top brazilian federal prosecutor defend size fin levy company involve nation graft probe say despite public outcry low important dismantle scheme punish firm fin different size different term raise concern brazil sweep anti-corruption investigation may dish equal justice marcelo muscogliati coordinator anti-corruption committee within brazil federal prosecutors office tell reuters wednesday main aim leniency deal include fin root corruption deal tool seek evidence hand fin muscogliati say fine reparations secondary important dismantle criminal organizations mafias brazilian prosecutors come wither criticism sign 10.3 billion-real 3.3 billion leniency deal hold company run jbs sa world large meatpacker relation kickbacks pay politicians win government investment deal contract prosecutors give billionaire batista family control company 25 years pay fine peg brazil consumer price index sharply reduce penalty net present value accord reuters calculations fine net present value 5.45 billion reais 47 percent less nominal term contrast 3.9 billion-real fine engineer group odebrecht sa agree pay 22 years adjust benchmark overnight selic interest rate currently run well annual inflation state attorney investigate whether batistas leniency deal harm taxpayers interest federal prosecutors work create clear rule future leniency deal ensure equal treatment investigations graft top level private business government state-run enterprises early week federal prosecutors office release 18 new guidelines reach accord nothing fresh size fin company pay tell prosecutors refer exist law allow fin 20 percent company net revenue muscogliati say concrete guidelines fin leniency deal would signal firm price tag would pay catch corruption money would simply set aside instead prosecutors must focus make leniency deal company make internal change halt carry corrupt action try brazil anti-graft head defend graft fin backlash