A. The Plaintiff supplied and executed waterproof sets to the Defendant during the period from September 30, 2014 to December 31, 2014, and the price was KRW 115,875,320.

B. The Plaintiff received KRW 71,455,300 out of the above payment from the Defendant, and did not receive the remainder of KRW 44,420,020.

[Judgment of the court below] The ground for recognition is without merit, Gap evidence Nos. 1, 2, and 3, and the ground for appeal

2. Conclusion

A. Therefore, the Defendant is liable to pay the Plaintiff the amount of KRW 44,420,020 for the unpaid goods and damages for delay calculated at the rate of 15% per annum under the Act on Special Cases concerning the Promotion, etc. of Legal Proceedings from December 8, 2015, which is the day following the delivery date of a copy of the instant complaint, to the day of full payment, as sought by the Plaintiff.

B. Therefore, the plaintiff's claim of this case is justified, and it is so decided as per Disposition with the assent of all participating Justices.