Input indicators	Meaning	Output indicators	Meaning
Main business cost	The main business cost refers to the cost of the company in the production and sales, which determines the profitability of the enterprise directly.	Main business income	Main business income refers to the income obtained by enterprises during their business activities, which reflects the profitability of the company’s main business.
Total assets	Total assets are all assets owned by the enterprise, which can produce economic benefits if made full use of them.	Gross profit	Gross profit is the income earned by the enterprise after deducting the cost, which shows not only the profit and loss of enterprises, but also reflects the management efficiency.
The number of employees	Employees are the source of all the value of the enterprise	Return on equity	Return on equity is the ratio of after-tax profits and net assets, which can measure the efficiency of the enterprise using its own capital.