BANJA LUKA (Bosnia and Herzegovina), July 31 (SeeNews) – The lottery operator of Bosnia’s Serb Republic, Lutrija Republike Srpske [BANJ:LTRS-R-A], said on Friday its net profit dropped to 88,800 marka ($49,700/45,400 euro) in the first half of 2015 from 196,700 marka a year ago.