If the social security base in Yancheng, Jiangsu is 8600 yuan, the total social security payment includes contributions from both the employer and the employee. Here's a breakdown by each insurance type:

1. Endowment Insurance:

• Employer contribution: The employer pays at a rate of 16% of the base. So, for a base of 8600 yuan, the employer's contribution is ​
  ×16%=×0.16=
  yuan.

• Employee contribution: The employee contributes 8% of the base. So, the employee's payment is ​
  ×8%=×0.08=
  yuan.

2. Medical Insurance:

• Employer contribution: The employer's contribution rate is 7.5%. Thus, the amount paid by the employer is ​
  ×7.5%=×0.075=
  yuan.

• Employee contribution: The employee pays 2% of the base, which is ​
  ×2%=×0.02=
  yuan.

3. Unemployment Insurance:

• Employer contribution: The employer pays at a rate of 0.5%, so the employer's payment is ​
  ×0.5%=×0.005=
  yuan.

• Employee contribution: The employee also contributes 0.5% of the base, which amounts to ​
  ×0.5%=
  yuan.

4. Work - related Injury Insurance:

• Employer contribution: The contribution rate varies according to the industry's risk level, ranging from 0.3% to 1.9%.

• For a low - risk industry with a rate of 0.3%, the employer's contribution is ​
  ×0.3%=×0.003=25.8
  yuan.

• For a high - risk industry with a rate of 1.9%, the employer's contribution is ​
  ×1.9%=×0.019=163.4
  yuan. Employees do not contribute to work - related injury insurance.

5. Maternity Insurance:

• Employer contribution: The employer pays at a rate of 0.9%, so the employer's contribution is ​
  ×0.9%=×0.009=77.4
  yuan. Employees do not contribute to maternity insurance.

In summary, if the social security base is 8600 yuan in Yancheng, Jiangsu, the total social security payment is the sum of the contributions from both the employer and the employee for each insurance type. The employee's total monthly payment is ​