1. The Defendant: (a) KRW 160 million to the Plaintiff; and (b) KRW 6% per annum from August 29, 2017 to June 1, 2018; and (c) the Plaintiff.

1. On March 23, 2016, the Plaintiff, a company conducting a construction business, etc., was awarded a contract with the Defendant for the three new construction works for the above three new construction works for the above land-based electric source housing at KRW 290,390,000 (value-added Tax Separate), and on July 12, 2016, the Plaintiff was awarded an additional contract for 12,500,000 won for the construction works for the above land-based electric source housing at KRW 12,50,000 ( separate value-added tax) from the Defendant, around October 2016, the Plaintiff completed the above three new construction works (with KRW 1,2,3 Dong), around March 23, 2017, including the above 1,2016, value-added tax on November 1, 2016, and the additional construction works at KRW 300,000,000,000,000,000 for the above new construction works, including KRW 3030.

2. According to the above findings of determination, the Defendant is obligated to pay the Plaintiff the construction cost of KRW 161,300,000 (i.e., KRW 521,313,500 - KRW 36,000,000) and the unpaid balance certificate (Evidence A-2) from August 29, 2017 to June 1, 2018, the delivery date of the copy of the complaint of this case, calculated at the rate of 6% per annum as prescribed by the Commercial Act and 15% per annum as prescribed by the Act on Special Cases concerning the Promotion, etc. of Legal Proceedings from the next day to the day of full payment.

3. It is so decided as per Disposition by the assent of all participating Justices, on the ground that the plaintiff's claim is reasonable.