Switching classes during week 3...how?

<p>After 2 weeks, I’ve found that my GE Cluster (30A) is just way too much reading for the credit I’m receiving. I found a class that I wish to replace it with. I know at this point there is a fee to drop/add which is fine, but who do I go to to pay this fee? Also, I’m pretty sure I’d have to talk to the professor of the class I’m switching into, correct?</p>