A sold asset was used for both business and personal use was entered on screen 4562. 235 East Palmer Street.View your Franklin Templeton tax forms. Access your tax documents. The correct way to report the sale of business assets is to compute the sale separately from expenses. You deduct expenses as expenses, full amount. When we're talking about the gain or loss of the sale of an asset we need to be looking at net book value at the time of the sale. Calculate gain or loss on the disposal; Record the disposal. When an asset is sold, the business must account for its depreciation up to the date of sale. The gain or loss on each asset is figured separately.