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

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

The plaintiff's grounds for appeal and the defendant's grounds for incidental appeal based on the judgment of the court of first instance are not significantly different from the plaintiff's allegations in the court of first instance, and even if the documents submitted by this court are presented in the court of first instance, the fact finding and judgment of the court of first instance

Therefore, the reasoning of the judgment of this court is identical to that of the plaintiff and the defendant among the grounds of the judgment of the court of first instance, and thus, they are cited in accordance with the main sentence of Article 420 of

Thus, the judgment of the first instance court is just, and the plaintiff's appeal and the defendant's incidental appeal are without merit, and all of them are dismissed.