The freezing point depression constant (Kf) of benzene is 5.12Kkgmol? The freezing point depression for the solution of molality 0.078 m containing a non-electrolyte solute in benzene is (rounded off upto two decimal places):

(1) 0.20 K

(2) 0.80 K

(3) 0.40 K

(4) 0.60 K