1. The plaintiff's appeal is dismissed.

2. The costs of appeal shall be borne by the Plaintiff.

The purport of the claim and appeal is the purport of the appeal.

1. Basic facts

A. On March 1, 2017, the Defendant awarded a contract to the Plaintiff for the construction work for the construction work on the ground B (hereinafter “instant construction work”) and set the construction cost as KRW 29,700,000 from February 27, 2017 to March 27, 2017, and the construction cost as KRW 29,70,000.

(hereinafter referred to as the “instant contract”). B.

On April 11, 2017, the Plaintiff completed the instant construction work, and the Defendant paid the Plaintiff the full amount of the construction cost under the instant contract.

[Ground of recognition] Facts without dispute, Gap 1, 2, 3 evidence, Eul 1, 2, 3 evidence, the purport of the whole pleadings

2. The gist of the Plaintiff’s assertion is as follows: (a) upon the Defendant’s request, the Plaintiff performed additional construction works, such as “the details of the instant construction works”; and (b) paid KRW 4,387,91 in total as additional construction costs; and (c) the Defendant agreed to pay additional construction costs; and (d) the Plaintiff shall pay KRW 4,387,91

(2) Personnel expenses for the repair of water supply pipes due to leakage of toilets: 320,00 won: 320,00 won for the other day of the toilet floor.

3. Determination of the total construction cost has been made;