1. The Defendant: (a) KRW 220,270,129 for the Plaintiff and KRW 5% per annum from June 6, 2017 to February 14, 2019 for the Plaintiff.

1. Determination on the construction cost

A. The following facts are either a dispute between the parties to the construction of a new building 1, or a dispute between the parties to the construction of a new building 1, or a whole purport of the pleadings as a whole.

(3) On September 7, 2016, the Plaintiff and the Defendant agreed to change the construction amount of the said title, metal, and glass work into KRW 165 million (Additional Tax) with respect to the construction cost of the said new construction work between D and D. ② On June 30, 2016, the Defendant acquired the status of the contractor of the C building from D, and the Plaintiff and the Defendant agreed to change the construction amount of the said title, metal, and glass work into KRW 161,880,00 (Additional Tax) on September 12, 2016.

(2) The Plaintiff is a person who received KRW 282,70,000, out of the total construction cost of the construction work of the construction work of the construction work of the construction work of the construction work of the construction work of the construction work of the construction work of the government building C, and thus, barring special circumstances, the Defendant is obligated to pay the remainder of construction cost of KRW 19,301,70 to the Plaintiff, barring special circumstances.

B. In light of the following circumstances, Gap 5, 6, 11, 15 through 22, 26 through 30, 34, 35, and 41, and witness F’s testimony, a contract was concluded between the plaintiff and the defendant on November 2016 on the cost of construction for creative, metal, and glass works among new E multi-household construction works, and around February 2017, with the amount of construction for additional construction KRW 26,50,000 (Additional dues) (Additional dues).