Given the Following Data,calculate the Approximate Value of the Equilibrium $\leftrightarrows$

Given the following data,calculate the approximate value of the equilibrium constant at 298 K for the reaction,Ni(NH₃) ₆²⁺(aq) + 3 en(aq) $\leftrightarrows$ Ni(en) ₃²⁺(aq) + 6 NH₃(aq) ,where en represents ethylenediamine.

A) 1.90 $\times$ 10^-2
B) 52.7
C) 3.77
D) 1.44 $\times$ 10³
E) 6.94 $\times$ 10^-4