1. The Defendants jointly combine the Plaintiff with KRW 200,000,000, and Defendant U.S. Construction Co., Ltd. with respect thereto on September 2, 2016.

1. According to the purport of Gap evidence Nos. 1, 2, and 3 as a whole and arguments, Tae-type Co., Ltd. issued electronic bills on August 25, 2015 to 00,000 won at par value, 3,000,000,000, and due date, Nov. 25, 2015; limited liability companies: (a) endorsed 200,000,000 won out of the above face value, and endorsed thereon to Defendant U.S. Construction Co., Ltd.; (b) the Defendants exempted the Defendants from the preparation of a protest; (c) the Plaintiff acquired the above electronic bills; and (d) the Plaintiff was finally refused to pay the said electronic bills on November 25, 2015, barring any special circumstance, the Defendants jointly obligated to pay to the Plaintiff a total of 10,000 won and 200,000 won, and (e) the copy and 16,010,00 won, respectively.

2. As to this, Defendant U.S. Construction Co., Ltd. and Sam Young General Construction Co., Ltd. asserted that, in order to discount this by receiving a bill from the corporation of Sam Young-ton, Defendant U.S. Construction Co., Ltd. and Sam Young General Construction Co., Ltd. should return the bill to the corporation of Sam Young-man Construction Co., Ltd. and delete the contents of endorsement by returning it in the reverse order because of the lack of the bill discount. However, it is nothing more than doing so and again made endorsement, and that it did not bear the responsibility because there was no little use of the bill. The endorsement made by the Defendant Sam Young General Construction Co., Ltd. against the corporation of Sam Young-man Co., Ltd. is a refund endorsement, and that Sam Young-ton Construction Co., Ltd. is the Defendant U.S. Construction Co., Ltd.