1. The defendant's appeal is dismissed.

2. The costs of appeal shall be borne by the Defendant.

The purport of the claim and the purport of the appeal.

Comprehensively taking account of the overall purport of the arguments in Gap evidence Nos. 1 through 3 as to the cause of the claim, the plaintiff, who runs plastic and constructed materials wholesale and retail business, supplied the defendant, on March 26, 2019, the defendant, from August 4, 2018 to January 21, 2019, with the article 8,91,842 as stated in the separate sheet, including one "TT-700 (prefabricated)" and sought the payment of the outstanding amount of KRW 8,91,842 to the plaintiff. ② The plaintiff, on October 31, 2018 to January 31, 2019, issued an electronic tax invoice with "the defendant," "the defendant," and "the defendant, on August 31, 2018 to April 18, 2018, requested the payment of the total amount of KRW 8,911,818 won, and the defendant, on August 13, 2018.

It is reasonable to view it.

Therefore, as the Defendant seeks from January 22, 2019 to the Plaintiff, the Defendant is obligated to pay to the Plaintiff 6% interest per annum under the Commercial Act from January 22, 2019 to April 12, 2019, the delivery date of the original copy of the instant payment order, and 12% interest 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. Judgment on the defendant's assertion

A. The defendant asserts to the effect that since the quantity of the goods as stated in the separate sheet was unilaterally prepared by the plaintiff, it cannot be deemed that the plaintiff actually supplied the relevant quantity.

On February 11, 2019, after the Plaintiff prepared the above claim and electronic tax invoice, the Defendant up to March 20, 2019.