According to the Summer 2009 Statistics of Income Bulletin, there were about 23.1 million individual income tax returns that reported nonfarm sole proprietorship activity for 2007. This represents a 4.7% increase over the prior year.
Activities with the largest profits were professional, scientific, and technology services. However, while profits for all Schedule C filers totaled $280.6 billion in 2007, this represented a slight decline (1.8%) compared with 2006.
A sale of property that allows for tax deferment if at least one payment is received after the end of the tax year in which the sale occurs. The installment method does not apply to year-end sales of publicly traded securities. Dealers may not use the installment method. Investors with very large installment balances could face a special tax.