Calculate E ^$\circ$ _cell for a Silver-Aluminum Cell in Which the Cell Reaction

Multiple Choice

Calculate E ^$\circ$ _cell for a silver-aluminum cell in which the cell reaction is
Al(s) + 3Ag⁺(aq) $\rarr$ Al³⁺(aq) + 3Ag(s) .

A) -2.46 V
B) 0.86 V
C) -0.86 V
D) 2.46 V
E) none of these