1. The Defendant shall pay to the Plaintiff KRW 24,044,932 and the interest rate of KRW 20% per annum from April 30, 2014 to the date of complete payment.

1. Facts of recognition;

A. On February 20, 2012, the Plaintiff entered into a contract for construction works with the Defendant to perform the following construction works:

(hereinafter referred to as "the instant contract for construction works". On-site names: The contract price for electrical construction (affiliateds and C-Support Installation Works): 127,600,000 won: From February 21, 2012 to May 10, 2013: 0.1%

B. After the conclusion of the instant construction contract, the Plaintiff set the additional construction cost as KRW 25,073,197 between the Defendant and the Defendant.

C. After completing the instant construction work, the Plaintiff received a total of KRW 128,628,265 from the Defendant.

[Ground of recognition] Facts without dispute, Gap evidence 1, Gap evidence 2-1 to 3, Gap evidence 3 and 4, the purport of the whole pleadings

2. According to the above facts of determination, the Defendant is obligated to pay to the Plaintiff damages for delay at a rate of 24,044,932 won (=152,673,197 won - 128,628,265 won), which is the day following the delivery date of the duplicate of the application for the instant payment order, from April 30, 2014 to the day of full payment.

(3) The plaintiff's claim of this case is justified within the scope of the above recognition, and the remaining claims are dismissed. It is so decided as per Disposition by the assent of all participating Justices on the bench. It is so decided as per Disposition by the assent of all participating Justices on the bench.