Two fixed point charges, \(q_1 = +4Q\) and \(q_2 = -Q\), are positioned on the x-axis at \(x = 0\) and \(x = d\), respectively, where \(d > 0\). The charges are isolated from all other external interactions, and electric potential is defined to be zero at an infinite distance from the charges. Which of the following correctly pairs the coordinate \(x_0\) on the x-axis where the net electric field is zero with the net electric potential \(V_0\) at that same coordinate?