Hi there, I am not sure I understand your question, I think the curent cost to take the Amateur test is about 7 or 8 dollars or so. You just have to study a little, and find a location that is administering the test. It's a fairly simple procedure. Is that what your inquiring about???
I answered your question about removing the wiper and linked to this thread: http://priuschat.com/forums/prius-modifications/58794-anyone-removed-rear-wiper.html