Calculate the Equilibrium Constant for the Following Reaction at 25 $\circ$

Calculate the equilibrium constant for the following reaction at 25 ^$\circ$ C,
2 IO₃^-(aq) + 5 Hg( ) + 12 H⁺(aq) $\to$ I₂(s) + 5 Hg²⁺(aq) + 6 H₂O( )
Given the following thermodynamic information.
IO₃^-(aq) + 6 H⁺(aq) + 5 e^- $\to$ I₂(s) + 3 H₂O( ) $~~~~~~~~$ E ^$\circ$ = +1.20 V
Hg²⁺(aq) + 2 e^- $\to$ Hg( ) $~~~~~~~~$$~~~~~~~~$$~~~~~~~~$$~~~~~~~~$ E ^$\circ$ = +0.86 V

A) 3 $\times$ 10^-58
B) 6 $\times$ 10⁵
C) 3 $\times$ 10¹¹
D) 6 $\times$ 10²⁸
E) 3 $\times$ 10⁵⁷