For exchanges of real property used in a trade or business (and other noncapital assets), enter the gain or. The gain or loss on each asset is figured separately.The sale of capital assets results in capital gain or loss. This form is also used to report involuntary conversions of property used in your trade business that were held for more than one year. If you sold business-use property during the year, you had a gain or a loss on the sale. Complete and file Form 4797: Sale of Business Property. The amount of tax that you will ultimately have to pay depends upon whether the money you make from the sale is taxed as ordinary income or capital gains. You will need to allocate the amount reflected on form 8594 among all the assets. A typical method is to allocate the proceeds based on the original cost. Generally, gain from the sale or exchange of a capital asset held for personal use is a capital gain.