Total salary includes basic salary, bonus, overtime pay, etc. , excluding travel, accommodation, catering and other reimbursement.
So when paying employees, some of them are paid in the name of wages, and then it is found that the rest of the wages are paid in the name of business trip reimbursement, which is not included in the total wages. In this case, first, it can help employees avoid personal income tax, and second, it can reduce the company's social security contribution base, which is good for everyone.
2, social security can not be bought separately, and the five insurances must be paid together.
3. You can't just pay work-related injury insurance.
4, the proportion of social security contributions, the above brothers have already said.