1. Of the judgment of the court of first instance, KRW 2,500,000 against the Plaintiff and its related amount from October 1, 2016 to August 24, 2018.

1. Basic facts

A. On August 3, 2016, while the Defendant was performing construction works upon receiving a contract for construction work, such as Overcheon City B Bat, the Defendant requested the Plaintiff to build a concrete string of the said construction work (hereinafter “instant construction work”).

B. After completing the instant construction project on August 16, 2016, the Plaintiff sent a written estimate (hereinafter “instant estimate”) with the following details calculated as the total construction cost of KRW 4,364,00 (additional tax rate) to the Defendant.

On August 4, 2016, the unit price for the quantity of goods: 150,00 won for personnel expenses of KRW 300,000 for 150,000 for 300,000 for 1st 300,000 for 300,000 for 300,000 for 300,000 for 300,000 for 300,000 for 150,000 for 4,000 for 4,00,000 for basic labor expenses of Mealian on August 15, 2016; 4,364,00 won for 4,00 for 60,000,000 for 4,00 for Mealian basic labor expenses of KRW 60,00 for 60,00 for 3,00 for 30,00 for usalian basic labor expenses

2. The assertion and judgment

A. The Plaintiff asserted (1) as the cause of the instant claim, and upon the Defendant’s request, completed the instant construction project with the same content as the written estimate of this case. As such, the Defendant did not pay the construction cost by September 30, 2016, which is the date of the payment that was promised by the Defendant, the Plaintiff asserts that the Plaintiff should be paid the construction cost of KRW 4,800,400 (4,364,000 x 1.1) including the value added tax, and the delay damages therefrom.

(2) As to this, the Defendant did not enter into a contract as stipulated in the written estimate of this case, but agreed to adjust the construction cost, and the content of the written estimate of this case also stated that the amount of use of ready-mixed is 24 lus and approximately 4 lus and approximately 24 lus and the amount of use of ready-mixed is sufficient if the level of the first half of the written estimate of this case is sufficient. In fact, even if three Plaintiff’s human resources and two Defendant’s human resources jointly carried out concrete snowing work, it is stated that ten human resources between the two titles as stated in the written estimate of this case were placed, and equipment replacements, such as lus and pumps, which are not used.