1. The defendant's appeal and the plaintiff's incidental appeal are all dismissed.

2. Costs arising from an appeal and an incidental appeal shall be respectively.

1. The reasoning of the judgment of this court citing the judgment of the court of first instance is the same as that of the judgment of the court of first instance, except where the "Plaintiff" in the second part of the judgment of the court of first instance is deemed to be "Defendant", and thus, it shall be quoted as it is in accordance with the main sentence of

2. In conclusion, the plaintiff's claim of this case shall be accepted within the scope of the above recognition, and the remaining claim shall be dismissed as it is without merit.

The judgment of the court of first instance is justifiable in the same conclusion, and both the defendant's appeal and the plaintiff's incidental appeal are dismissed as they are without merit, and the judgment of the court of first instance is correct because it is obvious that " August 29, 2019," which is the date of the judgment of the court of first instance, is an error of " August 29, 2019," and it is corrected.