1.  Parner A buys out Partner B for $10,000.  Since Partner A is now the sole owner of the company can he file a final return for partnership and file as a sole proprietor?  

2.  Partner B tax basis is $11,222. Does this create a loss for Partner B? 

3.  What if X purchases Partner B's interest for 10,000.  Does Partner X assume Partner B's basis at $11,222 or $10,000?