Using the following data

Question

1. Cu3+ + 2 e- --> Cu+ E01 = 1.28 V
2. Cu2+ + e- --> Cu+ E02 = 0.15 V
3. Cu2+ + 2 e- --> Cu(s) E03 = 0.34 V
4. Cu+ + e- --> Cu(s) E04 = 0.52 V
Calculate the standard reduction potential for the reaction of Cu(III) to Cu(II)