Calculate the Cell Potential for the Following Unbalanced Reaction That $\mathrm { Mg } ^ { 2 + }$

Calculate the cell potential for the following unbalanced reaction that takes place in an electrochemical cell at 25 °C when [ $\mathrm { Mg } ^ { 2 + }$ ] = 3.20 M and [ $\mathrm { Fe } ^ { 3 + }$ ] = 0.000100 M
$\quad$$\quad$$\quad$ Mg(s) + $\mathrm { Fe } ^ { 3 + }$ (aq) ? $\mathrm { Mg } ^ { 2 + }$ (aq) + Fe(s)
E°(Mg²⁺/Mg) = -2.37 V and E°(Fe³⁺/Fe) = -0.036 V

A) -2.24 V
B) +2.24 V
C) +1.24 V
D) -1.24 V
E) +2.14 V