A. The Defendant is a juristic person established pursuant to the Korea Airports Corporation Act to efficiently construct, manage, and operate an airport, and the Plaintiffs are employees who were employed by the Defendant and worked as police assigned for special guard at the E-public port, and Plaintiff A and Plaintiff B were employed on July 31, 2017; Plaintiff B and Plaintiff C were employed on April 30, 2017; and Plaintiff D were retired until December 31, 2016.

B. According to the Defendant’s employee’s annual salary rules, the Defendant’s wages paid to employees are classified into basic monthly pay, position pay, statutory appointment allowance, job grade treatment allowance, management evaluation performance rating, self-evaluation performance rating, performance performance rating, and other performance ratings. 2) The Defendant established and operated a final benefit plan (DB, Defit) retirement plan and a finalized contribution plan (DC, Defined Befit), according to the Guarantee of Workers’ Retirement Benefits Act.

Plaintiff

A was subscribed to a defined contribution plan, and the rest of the plaintiffs were subscribed to a defined benefit plan.

3) The Defendant calculated the Plaintiffs’ basic monthly salary as ordinary wage (in addition to the Defendant’s basic monthly salary according to the Rules on the Employees’ Salary, position pay, statutory appointment allowance, and class treatment allowance shall be included in ordinary wage, but there is no person who receives it among the Plaintiffs

Based on this, holiday work allowances, holiday work allowances, and annual leave allowances (hereinafter “instant statutory allowances”) shall be based on the Plaintiffs’ basis.

was calculated and paid.

In addition, the defendant calculated the average wage, including the basic monthly salary, annual leave allowance, the basic monthly salary, and the performance-based salary, and calculated the amount of retirement allowance or retirement pension based on the above average wage, and paid it to the retirement pension account of the plaintiff A or paid it to the other plaintiffs.

By February 2, 2011, the items of “performance rating” among the above average wages include the whole amount of self-evaluation performance rating and management evaluation performance rating during the pertinent period, but the above performance rate from March 201.