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

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

The reasoning of this Court is as follows: “21,670,00 won” is added to “23,130,000 won” in the second part of the second part of the judgment of the first instance, and “23,130,000 won” is added to “the additional evidence submitted in the trial, which is insufficient to recognize the facts alleged by the Plaintiff and the Defendant, and the additional evidence submitted in the trial are as stated in the reasoning of the judgment of the first instance, except for the rejection of each description containing each number, and thus, it is cited as it is in accordance with the main sentence of Article 420 of the Civil Procedure Act.

Therefore, the judgment of the first instance court is legitimate, and all incidental appeals by the plaintiff and the defendant are dismissed as they are without merit.