Bill and Roger formed the AB partnership on 12/6/X3 by each contributing $70,000. They split profits and losses equally. On 6/25/X6 AB purchased a building for $80,000 cash plus a $300,000 mortgage. On 12/1/X6 when the building is still worth $380,000 and ABs only other assets are cash and $30,000 of uncollected accounts receivable with 0 basis, Bill sold his partnership interest to Henry for $180,000 cash. Determine Bills realized gain or loss and the character of his recognized gain or loss.