1. The Defendant’s KRW 23,389,340 for the Plaintiff and 6% per annum from September 24, 2014 to November 3, 2014.

1. The fact that there is no dispute over the cause of the claim, comprehensively taking account of each of the statements in Gap evidence Nos. 1 through 5 (including each branch number), the fact that the plaintiff specialized in building materials and steel product retail business entered into a contract for the supply of steel products between August 13, 2013 and September 23, 2014, supplied the defendant a steel contract with the defendant specializing in the construction business, etc., and that the price was 48,389,340, and the defendant paid 48,389,340 won as part of the price of the said steel contract, and the defendant paid the plaintiff KRW 10,000 as part of the price of the said steel contract.

Therefore, the Defendant is obligated to pay to the Plaintiff 23,389,340 won (=48,389,340 won - 10,000,000 won - 15,000,000 won) from September 24, 2014 to November 3, 2014, which is the day following the delivery date of the copy of the complaint of this case, 6% per annum under the Commercial Act, and 20% per annum under the Act on Special Cases Concerning the Promotion, etc. of Legal Proceedings from the next day to the day of full payment.

2. It is so decided as per Disposition by the assent of all participating Justices, on the ground that the plaintiff's claim of this case is reasonable.