1. The Defendant’s KRW 30,060,030 as well as the Plaintiff’s annual rate of KRW 5% from April 20, 2016 to November 24, 2016.

1. Basic facts

A. The Plaintiff is a corporation that runs interior decoration construction business, and the Defendant is a corporation that runs a comprehensive construction business (construction, civil engineering, and special construction).

B. (1) School Foundation B (hereinafter “B”)

On September 1, 2010, C Hospital 2-3 Dong-dong Connection Corporation (hereinafter “instant construction”).

the contract amount of KRW 7,315,00,000 (including value-added tax; hereinafter the same shall apply) shall be the joint contractor of the plaintiff, defendant, diesel, stock company, train engineering, and D as the joint contractor.

(2) The construction period is determined from September 27, 2010 to March 26, 2012 (hereinafter “instant contract”).

(1) The Plaintiff concluded the instant Human Resources Corporation (hereinafter “the instant Human Resources Corporation”). The Plaintiff is a “the instant Human Resources Corporation” among the instant construction works.

A) A construction work among the instant construction work (hereinafter referred to as “construction work of this case”).

2) Since February 20, 2012, the instant contract was respectively contracted. 13,250,000,000 won on February 26, 2012, and the first alteration was made on December 26, 2012 on June 18, 2013, and the second alteration was made on August 31, 2013 on June 18, 2013 on the date of completion, and the second alteration was made on August 31, 2013 on August 13, 2013 to KRW 16,034,984,00,00 on August 13, 2013, and on November 30, 2013, to participate as a new contractor.

The final contents of the instant contract are as follows:

Defendant 1,1038,792,274 1,103,879,2265,814,000,308,485,500 Electrical Construction Co., Ltd. 124,881,819,488,1818,137,370,370,000 Electrical Fire Fighting Co., Ltd. 1268,735,000 disaster prevention, 328,000,8732,873,504,704,70,700,76363636,50,000, 163636, 1636, 160, 1636, 160, 205, 208, 1636, 200, 1636, 306, 2005, 209, 2005, 3636, 20005, 3636,