The monthly sales amount is 65,438+0,000,000,000, and the salary of kitchen staff accounts for 8%. According to the per capita salary of 2,500, there are 32 employees and monthly sales of 800,000. The salary of kitchen staff accounts for 10%. According to the per capita salary of 2,800, the number of employees is 28, the monthly sales amount is 500,000, and the salary of kitchen employees accounts for 12%.