The defendant's appeal is dismissed.

Expenses for appeal shall be borne by the defendant.

In the judgment of the court of first instance, "5,959."

1. Facts of recognition;

A. The Plaintiff is a company with the purpose of automobile painting business, etc., and the Defendant is a company with the purpose of a special tea manufacturing business, etc.

B. On March 29, 2019, the Plaintiff: (a) on March 29, 2019, up to KRW 7,590,000 (including value-added tax) in total for painting work against the Defendant for three Lepers; (b) the same year

4. 22. On request from the Defendant for painting work costs of KRW 2,360,60,00 (including value added tax) and completed the painting work of KRW 4.0.

C. On May 10, 2019, the Defendant paid to the Plaintiff KRW 4 million out of the amount of painting for the said four parts.

[Ground of recognition] Facts without dispute, entry of Gap 1, 2, and 3 evidence, purport of the whole pleadings

2. Determination

A. According to the determination on the cause of the claim, the defendant is obligated to pay to the plaintiff the remainder of KRW 5,950,60 (=7,590,000 won - KRW 2,360,600 - 4,000) and damages for delay calculated by the rate of 12% per annum as prescribed by the Act on Special Cases concerning the Promotion, etc. of Legal Proceedings from June 21, 2019 to the day of full payment, unless there are special circumstances.

B. As to the defendant's defense, the defendant requested the plaintiff to submit 8 seal work, and the defendant suffered losses from selling 3,00,000 won discount per unit of 5,60,000 won per unit of 1,000,000 won due to the defects in the plaintiff's painting work, and the plaintiff was bound to pay 7,00,000 won per unit of 1,000,000 won per unit of 2,4,000 won per unit of the damages incurred due to the defects in the painting work (i.e., 3,00 won x 8). The plaintiff is obligated to return 5,00,000 won (= 7,000 won x 8) to the defendant, and the defendant asserts that the above liability of the plaintiff for damages and the defendant's above liability for damages are set off on an equal amount, but the evidence submitted by the defendant alone is insufficient to