1. All appeals filed by the Defendant (Counterclaim Plaintiff) against the principal lawsuit and counterclaim are dismissed.

2. The costs of appeal shall be principal lawsuit and counterclaim.

1. The reasoning for the court’s explanation concerning this case is as follows: “The claim for compensation for delay of KRW 31,350,000” in Part 15 of the judgment of the court of first instance, “the claim for compensation for delay of KRW 62,70,00,000,” is the same as the part of the reasoning of the judgment of the court of first instance except for the case, and thus, it is acceptable in accordance with the main sentence of Article 420 of the

2. In conclusion, the plaintiff's claim of the principal lawsuit shall be accepted on the grounds of its reasoning, and the defendant's counterclaim shall be dismissed on the grounds of its reasoning. Since the judgment of the court of first instance is just in conclusion, all appeals against the defendant's principal lawsuit and counterclaim are dismissed. It is so decided as per Disposition.