On May1, 2012, Iris purchased a truck costing $16,000 and used it for personal activities. On January 1, 2013, the truck has a fair market value of $10,100 and Iris transfers the truck to her business, which is operated as a sole proprietorship. What is the amount of gain or (loss) if the truck is sold for $4,000 after claiming depreciation of $5,000?