The freezing point depression constant ($K_f$) of benzene is $5.12\ K\,kg\,mol^{-1}$. 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):
A 0.80 K
B 0.40 K
C 0.60 K
D 0.20 K