1. The Defendant and the Plaintiff jointly and severally with the professional director Construction Co., Ltd., as well as KRW 23,760,000 on April 22, 2016.

At the time when the Plaintiff entered into a standard contract for the entrustment of the manufacture of construction materials with respect to the supply of ready-mixeds on June 4, 2015, the Defendant provided joint and several surety with respect to the payment of the price for ready-mixeds to the Plaintiff of the program construction. Since then, the Plaintiff supplied ready-mixed to the site of the new construction of the YYUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUD, but failed to receive KRW 2,376,00 out of the price for ready-mixeds from the program construction is not disputed between the parties, or it is recognized by considering the overall purport of the entries and arguments in subparagraphs A and 2.

Therefore, the defendant, a joint and several surety, is jointly and severally liable with the professional room construction to pay the plaintiff the amount of KRW 23.76 million payable to the plaintiff and the damages for delay calculated by the rate of 15% per annum under the Act on Special Cases Concerning the Promotion, etc. of Legal Proceedings from April 22, 2016 to the date of full payment, as requested by the plaintiff, as requested by the plaintiff.

The plaintiff's claim is accepted.