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.
Depreciation methods that allow faster write-offs than straight-line rates in the earlier periods of the useful life of an asset. For example, in the first few years of recovery, MACRS allows a 200% double declining balance write-off, twice the straight-line rate.