The Value of E_cell at 25 ^$\circ$ C for the Cell Shown Below Is +1

The value of E_cell at 25 ^$\circ$ C for the cell shown below is +1.27 V. What is the value of E ^$\circ$ _cell?

A) 1.57 V
B) 1.28 V
C) 1.26 V
D) 1.23 V
E) 0.97 V