1. Commodity sales revenue: there are subjects such as "household appliances", "it", "clothing" and "books" to record different categories of commodity sales revenue.
2. Labor income: there are transportation, installation, maintenance, design and other subjects, which are used to record different kinds of labor income.
3. Other business income: income related to other non-main businesses recorded in such subjects as "rental income", "waste income" and "technology transfer income".