1. The defendant's appeal is dismissed.

2. The costs of appeal shall be borne by the Defendant.

Purport of claim and appeal

1..

(2) As indicated below, the Plaintiff’s supply of windows and glass sets (including value-added tax) equivalent to KRW 7,563,600 (hereinafter “instant title”) to the Defendant on March 27, 2017 and May 16, 2017, as indicated below, may be recognized by comprehensively taking account of the following: (a) there is no dispute between the parties; or (b) the purport of each of the items and all of the arguments set forth in subparagraphs A through 3 (including the number of pages).

Therefore, barring any special circumstance, the Defendant is obligated to pay to the Plaintiff the amount of KRW 7,563,60, and damages for delay calculated at the rate of 15% per annum from May 17, 2017 to the day of full payment, which is the day following the delivery of Changho Lake.

VBF 230-4PM on March 27, 2017 230-4M, 2 even 2800/2200 68,000 5,100,000 756 506 378,000 on 16, 2017 UBF 118-2MA, 2 even 2/16T M/AL 12001202195,000 390,000 VBF 140,2/22T, 1350* 240,604, 360, 2000, 360, 2052/305 of the aggregate of value-added tax (360, 2007, 2052/360, 2052/305 of the 36052/3602/1205 of the 360222/302 of the 20522222/322220*

2. Judgment on the defendant's assertion

A. The Defendant asserts that, on March 27, 2017, the defect repair cost of KRW 3,255,000 should be deducted from the purchase price, on the grounds that there is a defect in the locking device of five pages among the six pages of double windows supplied by the Plaintiff on March 27, 2017, which is necessary to replace the five pages of double windows with a single window, the sum of KRW 1,155,000, 900, 3,25,000, wage of KRW 1,200, and wage of KRW 1,200,00.

B. According to the descriptions of evidence Nos. 1 and 2, and evidence Nos. 1 and 1, it can be recognized that there was a problem that the Plaintiff, on March 27, 2017, using five pages among the double windows (VBF 230-4PM) supplied to the Defendant on March 27, 2017, it is difficult for the Plaintiff to revise or abolish the locking system of the outer windows because the distance between the outer windows and the inner windows is too narrow.