A. On September 2015, the Defendant received a subcontract for the installation of internal figures (hereinafter “instant interior figures”) from the contractor E Co., Ltd. (hereinafter “E”), and re-subcontracted the installation of external figures (hereinafter “instant external works”) from the contractor E (hereinafter “F”).

B. On September 10, 2015, the Defendant concluded a contract to re-subcontract the Plaintiff with the amount of KRW 176,00,000 of the contract amount of external personal property, KRW 19,250,000 of the contract amount of internal property (the contract amount shall be determined by settling accounts after completion of construction), the delivery period from September 10, 2015 to October 31, 2015, and the delay rate of KRW 3/100 of the contract amount per day without delay.

(hereinafter referred to as “instant sub-subcontract”). (c)

After the re-subcontract of this case, the Plaintiff and the Defendant agreed on October 23, 2015 to change the construction cost of external personal property of this case into KRW 154,639,00 and the construction cost of internal property of KRW 173,889,00 on the ground of the change in the item volume of each of the instant construction works.

Meanwhile, the Defendant paid to the Plaintiff KRW 7,00,000,000 as the construction cost of the instant interior goods, and KRW 72,000,000 as the construction cost of the instant external goods from October 23, 2015 to July 1, 2016, respectively.

E. By December 2015, the Plaintiff completed the construction of a part of private goods and the shipment of materials into the Republic of Korea, and even thereafter, the Plaintiff continued to hold a consultation on the content, etc. of each of the instant construction and the person in charge of C institutions, who is the place of ordering each of the instant construction, and the design of private goods and phrases, and continued to carry out the construction on April 25, 2016, and completed the construction on October 2016, and thereafter, the construction on the interior of private goods was completed at around June 2017, where the instant lawsuit was pending.