Di bawah 1.5 billion naira20%01234567890123456789% 1.5 hingga 2.5 bilion naira20%01234567890123456789% 2.5 hingga 3.5 bilion naira20%01234567890123456789% 3.5 hingga 4.5 bilion naira20%01234567890123456789% Melebihi 4.5 bilion naira20%01234567890123456789%