The Standard Potential of the Cu²⁺/Cu Electrode Is +0

The standard potential of the Cu²⁺/Cu electrode is +0.34 V and the standard potential of the cell Ag(s) |AgCl(s) |Cl^-(aq) m Cu²⁺(aq) |Cu(s)
Is +0.12 V.What is the standard potential of the AgCl/Ag,Cl^- electrode?

A) -0.46 V
B) -0.22 V
C) +0.24 V
D) +0.46 V
E) +0.22 V