1. The defendant's appeal is dismissed.

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

Purport of claim and appeal

1...

1. The reasoning of the court's explanation of this case is the same as the part of the reasoning of the judgment of the court of first instance, and thus, it is citing it as it is by the main text of Article 420 of the Civil Procedure Act

[Defendant's assertion to the effect that the authenticity of No. 4 (Written Confirmation) is denied at the trial court, but the defendant has acknowledged the authenticity on April 8, 2016 at the date of pleading of the first instance court, and even if it is based on the statement No. 8 (including paper numbers) and testimony of the witness E at the trial court, the defendant's assertion is without merit.