4. In 2018, Mark has $18,000 short-term capital loss, $7,000 28% gain, and $6,000 0%/15%/20% gain. Determine the net amount and type of gain or loss for Mark. On June 10, 2018, Ebon, Inc. acquired an office building as a result of a like-kind exchange. Ebon had given up a factory building that it had owned for 26 months as part of the like-kind exchange. What's the holding period of office building? 5