1. The Defendants shall jointly and severally pay to the Plaintiff KRW 139,431,39 and 20% per annum from January 1, 2018 to the date of full payment.

Comprehensively taking account of the overall purport of the arguments in Gap evidence Nos. 1, 2, and 3 (including paper numbers), the plaintiff entered into a trade agreement with the defendant A Co., Ltd. (hereinafter "the defendant Co., Ltd.") on June 1, 2017 to supply steel products, such as stuffs, post-markets, and marries, to the defendant Co., Ltd., and to pay the price in cash at the same time as the purchase of the product, and if the payment is delayed, the price shall be at a rate of 20% per annum. The defendant B, and C have jointly and severally guaranteed the defendant Co., Ltd's obligation to pay the price for the goods under the above trade agreement. The plaintiff supplied steel products to the defendant Co., Ltd by November 24, 2017 pursuant to the above trade agreement and the price for the goods unpaid by the defendant Co., Ltd can be acknowledged as constituting grounds for 139,431,399 as of January 8, 2018.

According to the above facts, the Defendants are jointly and severally liable to pay to the Plaintiff the amount of KRW 139,431,39, and damages for delay calculated at the rate of 20% per annum, which is the overdue interest rate from January 1, 2018 to the date of full payment, as sought by the Plaintiff.

Therefore, the plaintiff's claim against the defendants of this case is justified and all of them are accepted. It is so decided as per Disposition.