1. The Plaintiff (Counterclaim Defendant) paid KRW 48,668,474 to the Defendant (Counterclaim Plaintiff) and its related amount from October 24, 2014 to March 25, 2016.

(b) the facts of the basis;

A. On February 8, 2014, the Plaintiff entered into a construction contract with the Defendant to contract the construction of the instant building B (hereinafter “instant building”) on the part of the Defendant in Ansan-gu, Ansan-gu (hereinafter “instant building”). The main contents thereof are as follows.

Article 2 (Name of Construction Contract)

4. The scale of construction ① The construction cost of the one-story neighborhood living facilities (including toilets), 38.98§³ (11.79Py) Tro 43.94С (13.29Py) x 0.5=21.97С (6.65Py) x the construction cost of the piloti portion shall be determined by 1/2 of the total construction cost per square meter.

② An urban residential housing with 82.92 square meters (25.08Py) on the ground level from 2 to 30,000 square meters (25.08 Py) x 4 stories =31.68 square meters (100.33Py) on the ground level 4 to 30,000 square meters (9Py) on the rooftop 2 to 30,000 square meters (9Py) on the ground level referring to the plan design, and the final person, permitted final

The outer wall reduction shall be constructed on the south side and the east side of the west-gu, the west side and the north side of the west shall be constructed on the outer bottom of the west-water sloping system (products of at least mabston or equivalent).

Article 3 (Contract Amount) Article 4 (Method of Payment of Construction Costs)

1. The payment of construction expenses shall be made in distribution according to the progress of each of the following construction works;

(1) The intermediate payment of KRW 75,000,000, and the intermediate payment of KRW 100,000,000 by March 24, 2014; ② The intermediate payment of KRW 100,000,000 on April 20, 2014; ③ the intermediate payment of KRW 100,000,000; ④ the intermediate payment of KRW 100,000,000 on May 20, 2014; and ⑤ the remainder of KRW 100,00,000,000 on June 20, 2014; and immediately paid (after confirmation of the completion of the additional work) after registration for preservation.

1. Four months from the commencement date;

2. The defendant may extend the construction period in the following cases:

(1) In cases of a natural disaster, war, or force majeure situation. (3) Where an artificial obstacle, such as a petition by neighboring residents, occurs. (4) Where the air is delayed due to the plaintiff's situation or cause attributable to him/her.