Calculate E ^$\circ$ _cell for the Following Electrochemical Cell: Mn(s) | Mn²⁺(aq) ||

Calculate E ^$\circ$ _cell for the following electrochemical cell: Mn(s) | Mn²⁺(aq) || Ce⁴⁺(aq) ,Ce³⁺(aq) | Pt(s)

A) 2.39 V
B) 2.59 V
C) 2.79 V
D) 2.99 V
E) None of the above