1. Of the part relating to the principal lawsuit in the judgment of the court of first instance, the Plaintiff (Counterclaim Defendant) who falls under the following order to pay.

1. The court's explanation on this part of the basic facts is identical to the reasoning of the judgment of the court of first instance as stated in paragraph (1). Thus, this part is cited by the main text of Article 420 of the Civil Procedure Act.

2. Determination on the main claim

A. The plaintiff and the defendant's assertion of this part of the grounds for the court's explanation are part of the grounds for the judgment of the court of first instance.

Since it is the same as the statement in the claim, it shall be quoted in accordance with the main sentence of Article 420 of the Civil Procedure Act.

B. The reasons for the court’s explanation on the confirmation of the total construction cost and the completion of construction in this part are as follows: ① deleted from the Defendant’s first “16th of the first 4th 18th 18th 18th 18th 21th 24,000,000 won; ② “24,000,000 won” and “24,000 won” of the first 21th 21st 21st 24,000 won; ② from the second 8,9th 6th 8, and from the third 13th to the 15th 15th 2th 15th 2th 2th 200, respectively, with the exception of the deletion of each of the reasons for the first 18th 18th 18th 18th 2th 2nd 200.

C. Since it is the same as the statement in the claim, it shall be quoted in accordance with the main sentence of Article 420 of the Civil Procedure Act.

C. (1) The Defendant issued a tax invoice of KRW 12,760,000, including value-added tax on April 16, 2014 (=11,600,000,000) for the portion of the building in this case, which is the lower-level vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis-vis

(2) The instant construction contract states the scope of construction along with the manufacturing and installation of steel frame.

[Ground of recognition] Evidence No. 2, Evidence No. 1, and argument No. 1.