Compute each parts of given problem:
Problem: An uncharged capacitor has parallel plates 4.6cm on a side, spaced 1.6mm apart.
Part A: How much work is required to transfer 7.4 µC from one plate to the other?
Part B: How much work is required to transfer a second 7.4 µC?
Please show all work and steps I am really trying to learn this for my exam.