A. On January 27, 2012, the Plaintiff entered into a service contract with the Defendant, and the Defendant, on October 8, 2008, on the part of telecommunications design (hereinafter “first cost contract”), which was awarded from the original architect office (hereinafter “original construction”) and the fixed forest construction (hereinafter “fixed forest construction”) under the contract for the design of the business facility creation project (hereinafter “original cost contract”), on which the Plaintiff supplies design drawings (hereinafter “first cost contract”), and the main contents are as follows.

1) Service period: From January 27, 2012 to the completion of the shop design supply: 23,100,000 won (including value-added tax; hereinafter the same shall apply): The method of paying service cost by 50% divided into two occasions (the amount received by the Defendant from the ordering person shall be paid once at 40%, and the amount received by the Defendant shall be paid twice at 80% in proportion to the amount received by the original ordering person or the amount received by the original ordering person twice at 80%.

B. On January 25, 2013, the Plaintiff entered into a service contract with the Defendant, and the Defendant, on August 20, 2012, for the telecommunication design portion (hereinafter “instant second contract”) under the “C” contract (hereinafter “C”) that was ordered by the Defendant from the Military Service Firm Unpermanent Construction Co., Ltd. (hereinafter “Unpermanent Construction”) and A (hereinafter “B Construction”), and the Defendant entered into a contract with the Defendant for the supply of design drawings (hereinafter “instant second contract”). The main contents are as follows.

1) Service period: From July 2012 to the completion of the delivery of working plans: 31,350,000 won: 50% of service costs paid in two installments (the amount received by the Defendant from the ordering person shall be paid once at 40%, and the amount received by the ordering person shall be paid twice at 80% in proportion to the amount received by the ordering person or at the rate of the amount received by the ordering person twice at 80%.

C. On January 25, 2013, the Plaintiff added C3-5BL to the contract between the Defendant and the Defendant for the design of the business facility development project (electric) that was ordered by the original construction around December 2012.