My dad really could beat up your dad!
Look dude, drop it, I don't know what your problem is ... This forum comes up in a search for "USB Ethernet Adapters for Macs" ... I posted my information.
That's outrageous! $75+ for a USB Ethernet Adapter!
Try this one instead:
Apples adapter and the offer by michelb02 is a software based bridge - youd be better off using a hardware based bridge such as this one...