Consider the Reaction of Iodine with Manganese Dioxide 3I₂(s)

Consider the reaction of iodine with manganese dioxide 3I₂(s) + 2MnO₂(s) + 8OH^-(aq) ⇄ 6I⁻(aq) + 2MnO₄(aq) + 4H₂O(l)
The equilibrium constant for the overall reaction is 8.30 × 10⁻⁷. Calculate E°_cell for the reaction at 25°C.

A) −0.36 V
B) −0.18 V
C) −0.12 V
D) −0.060 V
E) None of these choices are correct.