1. The Defendant’s KRW 28,380,00 for the Plaintiff and 6% per annum from December 16, 2014 to October 16, 2015.

1. Basic facts

A. The plaintiff is a juristic person operating the advertisement manufacturing business, and the defendant

L. This is a corporation engaged in the manufacture and sale of DNA display racks.

B. On April 12, 201, the Defendant received a contract (hereinafter “instant prime contract”) by setting a contract amount of KRW 60 days from the date of the contract for construction period, contract amount of KRW 409,00,000 (in addition, KRW 30%, KRW 40% after the contract was concluded, and KRW 40% after the factory inspection, KRW 30% after the remainder of 30% after the construction period was installed) from the 722-31 Sung Chang Building, Seocho-gu, Seoul, Seocho-gu, Seoul.

C. On April 21, 2011, the Plaintiff, among the instant prime contract, was re-subcontracted by the Defendant on June 5, 2011, by setting the manufacturing and installation works (including the removal works of existing advertising boards) of the electric sign board structures of the sexual building (including the removal works of existing advertising boards) as the construction cost of KRW 89.1 million (including additional dues, down payment 2,6730,000,000 (within seven days after the contract date, and the remainder of KRW 62,370,00,000,000 within 30 days after completion) (hereinafter “instant construction contract”).

The non-party company failed to obtain permission for the installation of electronic displays on the existing sloping Building rooftop, and the non-party company requested the Defendant to change the installation of electronic displays to the 192 studs building in Jung-gu, Seoul, and the Plaintiff and the Defendant agreed to change the installation of electronic displays to the studs building.

E. On May 24, 2011, the Plaintiff completed the manufacturing of the electronic sign board box under the instant construction contract, and the Defendant should connect the complete electronic sign board box to the complete electronic sign board box, and on May 31, 2011, delivered the electronic sign board box to the Defendant. On October 17, 2011, the Plaintiff completed the construction of a new structure to remove the existing advertising board of the stud building and install a new electronic sign board box.

F. The head of Seoul Special Metropolitan City on December 13, 201