I am planning on selling my MBA that has 2 years of AppleCare left on it. The problem is, when I bought the MBA I also bought a 27" ACD and the AppleCare covered both items. What happens to the AC when I sell the MBA and keep the ACD? Will the new MBA owner be able to have AC coverage and I keep AC coverage on my ACD? The new owner won't be able to cancel the ACD coverage right?