1. The Plaintiff, Defendant A’s KRW 42,680,00, and the amount of KRW 20% per annum from November 28, 2013 to the date of full payment.

1. Basic facts

A. The conclusion and progress of the instant subcontract agreement, etc. 1) Defendant A, on January 8, 2011, shall be deemed to have entered into and run down the instant subcontract, etc. (hereinafter “Woo Construction”).

) On the Guro-gu Seoul Metropolitan Government ground reinforced concrete structure flat 2nd class neighborhood living facilities (public notice source) and 8th class of detached houses (hereinafter “first class building of this case”).

() From March 1, 2011 to October 31, 2011, the period of and methods for advance payment of new construction; (1) KRW 200 million upon completion of the construction of the fourth floor; (200 million upon completion of the construction of the 8th floor; (4) KRW 200 million upon completion of the construction of the 4th floor; and (5) any balance: (200 million after completion of the construction; and (2) the head of Geumcheon-gu Office of Geumcheon-gu on May 17, 2012; (2) Defendant A obtained approval for use from the head of Geumcheon-gu Office on April 11, 201; and (3) the construction period of the construction of the 19th floor reinforced concrete roof and Class 2 neighborhood living facilities (hereinafter “instant building”). Defendant C obtained approval for use from the head of Geumcheon-gu Seoul Metropolitan Government on April 11, 2011, including the construction period of the construction of the 2014 to 1.2018 billion won (hereinafter “the instant building”).

3) On February 9, 2011, the Plaintiff entered into a subcontract with the construction cost of KRW 267 million, among the building construction works in the instant case and the new construction works in the instant building No. 1. While the construction works, the construction cost was added to KRW 26 million due to the increase in the area of underground floors compared to the initially agreed construction cost, and the total construction cost was increased by KRW 5960,000,000,000,000,000,000,000 in total, from among the total construction cost including the additional construction cost. While the construction works were completed including the additional construction, the Plaintiff did not pay KRW 213,60,000 among the total construction cost including the additional construction cost, the remainder of KRW 85,36,00,000,000,0000,000 in total among the construction cost including the construction cost.