1. All appeals by the Defendants are dismissed.

2. The costs of appeal are assessed against the Defendants.

3. Text of the judgment of the court of first instance;

1. The reasons for the court's explanation of this case are as follows: 56.17% "56.17%" of the judgment of the court of first instance is as follows: 56.17%, and 11.9% "this court", 16.13, 16 and 25. 262, 263 won "2,482,363 won", 17. 17. 2. 3 through 16. 25% of the Value-Added Tax Act are as follows: 20% of the value-added tax can be deducted from the contractor's output tax amount or refundable from the contractor's output tax amount due to defects in the contractor's contract, 20. 17. 25% of the Value-Added Tax Act cannot be deducted from the contractor's value-added tax amount.

2. Thus, the plaintiff's claim against the defendants.