The judgment of the first instance court is modified as follows. A.

The defendant shall pay to the plaintiff KRW 2,310,90 and KRW 1,995,00 among them.

Basic Facts

(1) On February 20, 2019, the Plaintiff: (a) received the interior works from the Defendant in the instant construction contract from the Defendant (hereinafter “instant construction contract”); and (b) around that time, the Plaintiff and the Defendant sent text messages regarding the scope and price of the construction.

(A) On February 20, 2019, the Plaintiff stated the scope of the construction work to the Defendant as follows: “1) the entire and visiting Sac (Sac, kc, e.g., e., e., kc and g.) bc, 2) glass walls, 3) toilet and beac, 4) construction on the front side of a toilet and beac, 5) installation of Vacac, 6) installation of Vacac warehouse, 6) installation of Vacac, 7) construction, 8) construction, replacement and beac, bac (s) construction, 9) construction, and 9 (s) construction, e.g., g., g., g., g., g., g., g., g., g., g., g., g., g., g., g., g.

(2) On February 21, 2019, the Defendant sent text messages indicating the construction cost of KRW 22,00,000, and then sent text messages indicating that the Plaintiff would build a large room. (B) On February 21, 2019, the Defendant sent text messages indicating that the Plaintiff was paid the Plaintiff at the Defendant’s request, and the Plaintiff sent text messages indicating that the Plaintiff would be able to perform construction works without a space of tent. The Defendant sent text messages stating that KRW 5,000,000 of the construction cost of KRW 23,00,000 was sent to the Plaintiff. (2) On February 21, 2019, the Defendant agreed on the scope of the Plaintiff’s construction cost of KRW 5,00,000,000 and KRW 30,000,000,000 to KRW 30,000,000 and the Plaintiff paid the construction cost of the instant construction contract between the Plaintiff and the Defendant and the Plaintiff’s construction work.

2. The Defendant’s initial agreement was made on the Plaintiff.