What Is the Cell Potential for an Electrochemical Cell at 298

What is the cell potential for an electrochemical cell at 298 K with a copper metal electrode immersed in a 0.30 M copper sulfate solution in one compartment and a copper metal electrode immersed in a 1.5 M copper sulfate solution in the other compartment? Cu²⁺(aq) + 2 e^- $\to$ Cu(s) , = +0.34 V

A) "+0.34 V"
B) "-0.34 V"
C) "+0.021 V"
D) "+0.36 V"
E) "More information is needed to decide."