In Configuration 1, two point particles with charges \(+q\) and \(-q\) are initially held at rest at a separation distance \(r_0\). In Configuration 2, two point particles with charges \(+q\) and \(+q\) are initially held at rest at the same separation distance \(r_0\). An external agent slowly increases the separation between the particles in each configuration from \(r_0\) to \(3r_0\) such that the kinetic energy of the particles remains zero throughout the process. Which of the following correctly compares the work \(W_1\) done by the external agent in Configuration 1 to the work \(W_2\) done by the external agent in Configuration 2, and provides the correct justification?