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

2. The costs of appeal shall be borne by each party.

purport, purport, and.

1. The reasoning of the judgment of the court of first instance concerning the instant case is the same as the reasoning of the judgment of the court of first instance, and thus, it is cited as it is by the main text of Article 420 of the Civil Procedure Act.

(2) The first instance court's decision on the issue of this case, such as the existence of the exchange agreement and the limitation of liability, seems to be justifiable even if the plaintiff and the defendant considered the arguments and reasons supplemented in the trial and additionally submitted materials in the trial. 2. The conclusion of the first instance court's decision is just and it is dismissed as the plaintiff's appeal and the defendant's appeal are without merit.

It is so decided as per Disposition for the above reasons.