A. The plaintiff is a corporation that operates the business of smoking and cutting heat, and the defendant is a corporation that operates the business of indoor architecture, etc.

B. The Plaintiff, upon receiving a request from the Defendant for construction work as indicated in the following table, performed all the construction work.

The construction work cost (including additional taxes) on January 31, 2016, KRW 2,134,00,00 for C on-site construction works on February 28, 2016, KRW 36,30,000 for D D construction works on September 1, 2016; KRW 46,335,00 for D construction works on September 1, 2016; KRW 31,508,400 for E construction works on October 31, 2016; KRW 29,70,000 for F works on November 30, 2016; KRW 21,780,000 for F works on December 30, 2016; KRW 137,75,400 for F works on December 30, 2016; and

C. Meanwhile, the Plaintiff recognized that it was paid KRW 70,120,000 as the construction cost of this case by the Defendant.

[Ground of recognition] Unsatisfy, entry of Gap evidence 1 to 6, purport of whole pleadings

2. According to the above facts of recognition, the Defendant is obligated to pay to the Plaintiff the payment amount of KRW 67,637,400 (=137,757,400-70,120,00) and damages for delay calculated by the rate of 15% per annum from July 4, 2018 (the day following the delivery day of the original copy of the instant payment order) to the day of complete payment (the day following the delivery day of the original copy of the instant payment order) as sought by the Plaintiff.

3. Conclusion, the plaintiff's claim is justified and acceptable.