The Oxidation of Methanol, as Described by the Equation Below $\Delta$

The oxidation of methanol, as described by the equation below, has a $\Delta$ G ^$\circ$ value of -937.9 kJ/mol. What is the standard cell potential for a methanol fuel cell?

A) 0.405 V
B) 9.72 V
C) 0.810 V
D) (-2.43 V)
E) (-9.72 V)