The defendant shall pay 270,235,656 won to the plaintiff and 12% per annum from February 25, 2020 to the day of complete payment.

1. Comprehensively taking account of the overall purport of Gap evidence Nos. 1 through 8 as to the cause of the claim, the plaintiff is a company engaged in the manufacturing business of light boards for construction, the sales business of building materials, etc., and the defendant is a company engaged in the construction business, etc., and the defendant is a company that the plaintiff received 337,796,800 won in total from August 2019 to November 201 of the same year (=86,646,646,00 won in total for September 146, 110,743,000 won in total for September 146,646,54,80 won in total for 50,863,000 won in total for October 29, and the plaintiff is a company that received 67,561,144 won in total from the defendant among the price of the above goods.

Therefore, the Defendant is obligated to pay to the Plaintiff 270,235,656 won (=37,796,800 won - 67,561,144 won) and damages for delay calculated at the rate of 12% per annum from February 25, 2020 to the day of full payment following the delivery of the original copy of the instant payment order.

2. In conclusion, the plaintiff's claim of this case is justified and it is so decided as per Disposition.