1. Defendant B’s KRW 2,944,629,217 and 5% per annum from May 26, 2016 to July 7, 2017 to the Plaintiff.

1. Basic facts

A. 1) The Plaintiff has treated all of the food and wastewater (food and wastewater generated in the process of stuffing food and waste and food and waste generated after stuffing food and waste) generated in a region A by means of marine dumping, including the process of implementing a public disposal facility for treating the Plaintiff’s wastewater. As the marine dumping of food and waste was completely prohibited from January 1, 2013, a public disposal facility for treating food and waste water (hereinafter “instant facility”).

2) The business that establishes the business (hereinafter referred to as the “instant business”)

(2) In the process of promoting the instant project, the Plaintiff planned to jointly treat the water and the drinking water generated from the site of treating the water through the process of treating the water from the site of treating the water from the site of treating the water from the site of treating the water from the site of treating the water from the site of the waste located in D, and compared and reviewed the method of treating the drinking water without installing a pre-treatment facility separately from the method of treating the drinking water from the pre-treatment facility (energy treatment method).

3) On June 6, 2011, the Plaintiff anticipated to treat 120 tons of wastewater and 200 tons of wastewater per day by treating and discharging wastewater at the water treatment plant, and filed an application for funding with the National Treasury by setting the total budget of KRW 7.7 billion. (b) The Plaintiff, which entered into the instant agreement between the Plaintiff and Defendant B Corporation, determined to entrust Defendant B, a specialized company, with the management of basic working plans of the instant facilities, construction supervision, and other incidental business for the smooth implementation of the instant project, and on July 6, 2011, determined to entrust the management of basic working plans of the instant facilities, construction supervision, and management of the instant facilities, and other incidental business thereto. (hereinafter “the instant consignment agreement”).

(2) The court below concluded the judgment of the court below.