Given the Following Two Half-Reactions,write the Overall Balanced Reaction in the Direction

Given the following two half-reactions,write the overall balanced reaction in the direction in which it is spontaneous and calculate the standard cell potential.
$\begin{array}{ll}\mathrm{Ga}^{3+}(a q) +3 e^{-} \rightarrow \mathrm{Ga}(s) & E_{\mathrm{red}}^{\circ}=-0.53 \mathrm{~V} \\\mathrm{Sn}^{4+}(a q) +2 e^{-} \rightarrow \operatorname{Sn}^{2+}(a q) & E_{o x}^{\circ}=+0.15 \mathrm{~V} \\\end{array}$

A) 2Ga³⁺(aq) + 3Sn²⁺(aq) ? 2Ga(s) + 3Sn⁴⁺(aq) E° = +0.68 V
B) 3Ga³⁺(aq) + 2Sn²⁺(aq) ? 3Ga(s) + 2Sn⁴⁺(aq) E° = -1.89 V
C) 2Ga(s) + 3Sn⁴⁺(aq) ? 2Ga³⁺(aq) + 3Sn²⁺(aq) E° = +0.68 V
D) 3Ga(s) + 2Sn⁴⁺(aq) ? 3Ga³⁺(aq) + 2Sn²⁺(aq) E° = +0.38 V
E) 2Ga(s) + 3Sn⁴⁺(aq) ? 2Ga³⁺(aq) + 3Sn²⁺(aq) E° = +1.89 V