Which of the following statements is true concerning the electrochemical cell depicted below?Ca | Ca2+(aq) || Rb+(aq) | RbCa2+(aq) + 2e- Ca(s); E° = -2.87 VRb+(aq) + e- Rb(s); E° = -2.98 V Answer A. The cell reaction is spontaneous with a standard cell potential of 5.85 V. B. The cell reaction is spontaneous with a standard cell potential of 0.11 V. C. The cell reaction is nonspontaneous with a standard cell potential of -0.11 V. D. The cell is at equilibrium. E. The cell reaction is nonspontaneous with a standard cell potential of -5.85 V.