The monthly net profit is about 1 10,000. The general gross profit margin of workers' canteens is around 50%. After deducting various expenses such as contract fees, water, electricity and gas, and personnel salaries, the net profit is about this. Therefore, in the factory canteen with 200 people, water, electricity and gas are paid by themselves, and the monthly rental profit of 1000 is around 1 10,000.

Laborers refer to workers who do not own the means of production and rely on wage income for a living.