A. Comprehensively taking account of the overall purport of the statements and arguments set forth in Gap evidence Nos. 1 and 2 (including various numbers), the fact that the plaintiff supplied the defendant a total of KRW 4,685,151,93 to February 28, 2018, and the defendant paid KRW 4,367,54,213 in total to the plaintiff during the period from March 28, 2016 to August 13, 2018.

B. According to the above facts, the Defendant is obligated to pay to the Plaintiff the amount of KRW 317,597,720 (i.e., KRW 4,685,151,93 won - 4,367,554,213) and damages for delay calculated at the rate of 15% per annum under the Commercial Act from March 1, 2018, on which the original copy of the instant payment order was served to the Defendant from March 30, 2018, until October 30, 2018, and from the following day to the date of full payment.

2. According to the conclusion, the plaintiff's claim of this case shall be accepted on the grounds of its reasoning, and it is so decided as per Disposition.