1. As to the Plaintiff KRW 41,087,200 and KRW 4,852,00 among them, the Defendant shall pay to the Plaintiff KRW 32,50,000 from May 21, 2013.

1. On December 2012, the Plaintiff and the Defendant entered into a contract with the Plaintiff to install an initial disposal facility in the degree course facilities in the Daegu High School of Science and Technology and to pay the Plaintiff KRW 250,000,000 (value-added tax separately) in return for payment.

In order to prevent rainwater from flowing into a river or sea along with pollutants accumulated at the early stage, the Plaintiff installed a total of six units of rainwater to purify and draining rainwater. The price of 73,000,000 square meters/HR in size 524 square meters/HR in size 42,000,000 square meters in size 244/HR, and the price of 200 square meters/HR in size 42,000,000 won in size, and the price of 33,000,000,000,000 square meters in size 87/HR, and the price of 85 square meters/HR in size 33,00,000,000 won in size 27,000,000,000 won in size.

On December 24, 2012, the Plaintiff demanded that the Defendant KRW 16,20,000,000 for progress payment, and KRW 13,80,000 for progress payment on January 21, 2013, and KRW 110,70,000 for progress payment on March 20, 2013, and KRW 29,20,000 for progress payment on April 23, 2013, and KRW 26,248,00 for progress payment on May 20, 2013, respectively.

The Defendant paid to the Plaintiff KRW 10,00,00,00 for the first installment on February 8, 2013; KRW 7,820,00 on February 25, 2013; KRW 7,820,00 for the second installment; KRW 15,180,000 on March 13, 2013; KRW 71,770,00 on May 13, 2013; KRW 25,00,00 on August 12, 2013; KRW 25,00,000 on September 25, 2013; and KRW 32,120,00 on June 32, 2013; KRW 18,50 on the second installment; and KRW 20,78,71,781, Jul. 27, 2013.

The Corporation was subcontracted by the Defendant from Hyundai Construction Co., Ltd. and re-subcontracted the construction of the early superior treatment facilities to the Plaintiff. On February 2014, the Defendant had agreed with Hyundai Construction Co., Ltd. to succeed to the status of the Defendant.

On May 14, 2013, the Plaintiff paid 17,600 for the Korea-Japan Environmental Design Co., Ltd. and 87 square meters/HR equipment.