under the decree , the long-term state ownership will remain 50 percent plus one vote at the hungarian savings bank rt -lrb- otp rt -rrb- and the hungarian investment and development bank rt -lrb- mbfb rt -rrb- , 25 percent plus one vote in the hungarian credit bank -lrb- mhb -rrb- , commercial and credit bank -lrb- k and h -rrb- , general banking and trust co. rt -lrb- aeb -rrb- , budapest bank -lrb- bb -rrb- , and hungarian commercial bank -lrb- mkb -rrb- , and 20 percent in postabank .