1. The Defendant’s KRW 9,443,50 for the Plaintiff and KRW 5% per annum from June 1, 2015 to July 8, 2016.

1. The following facts may be found either in dispute between the parties or in combination with the purport of the entire pleadings in each entry in Gap evidence 2-1, 2, and Eul evidence 1 to 4:

On April 15, 2015, the Plaintiff entered into a contract with the Defendant for the construction of air conditioners, such as open shock cases, hump bags, and display stand, at the D apartment shop in Seodaemun-gu Seoul, Seodaemun-gu, Seoul (hereinafter “instant construction”). On May 27, 2015, the Plaintiff entered into an additional construction contract with the Defendant for the installation of beverage cooling, signboard, display stand, and strawbs, etc. in the said store (hereinafter “instant additional construction”).

B. After that, the Plaintiff completed both the instant construction and additional construction around May 2015, and the Defendant paid KRW 22,00,000,000 to the Plaintiff on April 15, 2015, under the name of the instant construction cost and additional construction cost, KRW 5,00,000 on June 2, 2015, KRW 7,000,000 on October 31, 2015, and KRW 22,00,000 on November 16, 2015.

2. The assertion and judgment

A. The plaintiff's assertion 1) The summary of the plaintiff's assertion is 31,218,00 won for the construction work of this case (= value-added tax of KRW 28,380,00 for the construction work of this case) and KRW 7,463,50 for the additional construction work of this case [* KRW 6,785,00 for the construction work of this case = KRW 3,400 for the signboard work of KRW 1,800 for beverages cooling house and KRW 3,400 for the display work of KRW 820,681,50 for the total of KRW 82,681,00 for the construction work of this case, KRW 20,000 for the construction work of this case, KRW 16,681,50 for the construction work of this case and KRW 200 for the additional construction work of this case, KRW 250 for the construction work of this case and KRW 500 for the additional construction work of this case).