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° value of -937.9 kJ/mol.What is the standard cell potential for a methanol fuel cell?
2 CH₃ OH(l) + 3 O₂ (g) $\rightarrow$ 2 CO₂ (g) + 3H₂ O(l)

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