4000 yuan -7000 yuan. According to the labor agreement of the employees in the jewelry factory, the basic salary of the employees is 2,800 yuan, and they can get 4,000-7,000 yuan per month for their performance in 500 yuan, and they will be paid every month 10. Wage refers to the labor remuneration paid by the employer or legal employer to the laborer in the form of money according to laws, industry regulations or agreements with the laborer.