1. The Defendant shall pay to the Plaintiff KRW 288,677,00 and the interest rate of KRW 15% per annum from November 21, 2015 to the date of full payment.

Basic Facts

A. 1) The Defendant entered into a contract on the instant construction project in around 2003 to a narrow circulation road from the public quarantine bridge to the narrow trees (hereinafter “instant construction”).

2) In order to supply the instant construction project, the Plaintiff (the Plaintiff referred to as the “Plaintiff, etc.”). The Plaintiff (the Plaintiff, etc.) constituted the Daea Construction, Inter-Korean Construction, and the Joint Supply and Demand Company (hereinafter referred to as the “Plaintiff, etc.”) for the supply of and demand for the instant construction project. The Plaintiff, as the representative of the said Joint Supply and Demand Company, was delegated with the right to manage property, such as claim for payment, and the right to receive the construction cost, etc. from the said Joint Supply and Demand Company.

3) On November 14, 2003, the Defendant requested the former Local Government Procurement Service to conclude the instant construction contract. On November 14, 2003, the former Local Government Procurement Service concluded a contract under which the Plaintiff and the Defendant contracted the instant construction project on December 31, 2003 by setting the contract amount of KRW 10,415,978,00 on the total construction period, the contract amount of KRW 1,365,50,000 on November 9, 2005, the date of completion of the total construction work, and the date of completion of the first minute construction. (b) The Plaintiff and the Defendant extended the total completion date of the instant construction on April 29, 2013 through a modified contract (the extension of the total construction period) on several occasions.

Among them, the changes in the total completion date in the instant case are as follows:

On January 11, 201, 201, before and after the amendment of the Defendant’s necessary design on June 30, 201, the ground for the change of the term of completion of the contract, which was the 9th day before the completion date of the construction of the contract. After the amendment of the Defendant’s necessary design, on October 4, 201, after the temporary suspension of construction due to the Defendant’s necessary high temperature trees death, the amendment on January 5, 2012 before January 5, 2012, after the temporary suspension of construction due to the Defendant’s necessary high temperature trees death. After the amendment, the amendment on December 30, 12, 30 before the amendment on December 30, 12, 13 after the amendment of the Defendant’s necessary budget acquisition, the instant construction on January 312, 2013, which was the total term of completion of the construction. The Defendant on April 29, 2013.