 
<translate> Lambar ƙarshe = Lambar farko + 50% ((lambar asali) = 80 + 50% ((80) = 80 + 40 = 120. Saboda haka, amsar ita ce (C). <eng> Final number = Initial number + 50%(original number) = 80 + 50%(80) = 80 + 40 = 120.
Thus, the answer is (C). 