1. Of the judgment of the court of first instance, the defendant Gap corporation 40,007,763 won and the plaintiff Eul corporation 13,983.

1. Basic facts

A. On May 11, 2010, Plaintiff A Co., Ltd. (hereinafter “Plaintiff A”) and Nonparty C Co., Ltd. constituted a joint supply and demand organization (representative: Plaintiff A) and entered into a contract with the Defendant for D Construction (hereinafter “instant Construction”) on the following terms (hereinafter “instant contract”).

On August 2, 2013, when the instant construction was underway, C Co., Ltd. renounced the construction work and Plaintiff B Co., Ltd. (hereinafter “Plaintiff B”) became a joint beneficiary.

[Written Contract for Construction Works] The rate of penalty for delay in total amount of KRW 8,66,80,000 for delay in total amount of KRW 8,61,77,860 for delay in construction: May 14, 2010 for the date of the commencement of 0.1% of the contract amount; and October 10, 2010 for the completion date (Provided, That the total completion date: May 13, 2013; 1,096) the documents to be attached: A detailed statement, a detailed statement, a general condition, an opinion of integrity, an agency’s official information, and an electronic contract warranty.

B. The instant contract consists of a general contract and a multiple contracts, and multiple changes have been entered into as indicated below.

(1) On May 1, 2013, May 13, 2010: 8, 67, 767, 860 or 860 on December 8, 2010: " 11,138,160,160 or 00 on August 30, 201; 20. 0. " 9,18,160,000 on December 7, 201; 20. 1. 1. 1. 1. 3. 1. 1. 1. 3. 1. 1. 3. 1. 8, 187, 810, 00 on the first 2. 1. 1. 2. 1. 2. 1. 2. 1. 1. 5. 2. 2. 2. 3. 1. 20,00 on the date of the change at the site; 3. 1. 0. 1. 3. . 2. 3. 3. 0. 2. 1. 3. 2. 2. 1. 3. 2. 1. 2. 3. 1. 1. 8