1. The judgment of the court of first instance is modified as follows.

The plaintiff's amnesty against the defendant on April 8, 201 is gold.

Basic Facts

The plaintiff is a company with the purpose of aggregate extraction business and aggregate wholesale and retail business.

[Public Notice of Tender]

1. Estimated volume ofo to be sold: The unit price (minimum bidding price) in 721,00 cubic meters: 5,800 cubic meters/Sgd.: 4,181,800,000 o and other matters: See a sales contract for the dredging soil in the Han River, and special conditions for the sale contract for the Han River dredging soil;

2. A person who has registered a business of screening or crushing aggregate as of the date of public announcement of qualification for participation;

4. On March 25, 2011, a bidder does not separately carry out the site descriptions on the o dredging. The bidder does not confirm dredgings during the period of the public notice, and takes the main time to participate in the tender, and the bidder does not confirm dredgings and all other responsibilities for the disadvantages caused by the participation in the tender are available to the bidder. On other matters, the bidder has to confirm dredgings without confirming the dredgings, and after confirming the Acts and subordinate statutes related to the tender and the tender notice, the contract for the sale of dredgings, the contract for the sale of dredgings, the special conditions of the contract for the sale of dredgings, the rules on compliance with the participants in the Internet bidding, and the defendant has to participate in the tender before the tender, and on other matters arising from the failure to know, the bidder publicly announced the dredgings on the Internet homepage (www.c.k.) as follows (hereinafter referred to as the “electronic bid”).

On April 8, 201, the Plaintiff was selected as the successful bidder in response to the instant bidding, and entered into a contract with the Defendant to trade KRW 4.189 million in 72,000,000,000 (hereinafter “instant dredging soil”) calculated by calculating the amount of KRW 5,810,000,000 in cubic meters for dredging soil in the gold-si, Geumju-si, 148-1, Han River-ri (hereinafter “instant storage”). The main contents are as follows.

In this case.