1. The Defendant’s KRW 1,024,350,000 as well as 5% per annum from August 29, 2015 to December 31, 2015 to the Plaintiff.

1. Basic facts

A. The Plaintiff is a company established for the purpose of cadastral surveying business and calculating construction costs, and the Defendant is a housing redevelopment and consolidation project association established under the Act on the Maintenance and Improvement of Urban Areas and Dwelling Conditions for Residents (hereinafter “Urban Improvement Act”) on February 22, 2012 in order to implement a housing redevelopment and rearrangement project (hereinafter “instant rearrangement project”) on the 58 large-scale 116,666.1 square meters of land as the 570-gil-gu Gyeongyang-si, Gyeyang-si.

B. On April 2, 2013, with respect to the instant improvement project with the Defendant, the Plaintiff entered into a contract for technical services for the calculation of construction cost for fundamental infrastructure, ② apartment premium calculation and sales consultation for rental apartments, ③ gratuitous transfer of State-owned and public land, and acquisition consultation (hereinafter “instant service contract”). The key contents of the instant case are as follows.

Article 1 (Terms and Conditions of Contracts) (1) Of the Act on the Development and Improvement of Housing Units in Gyeyang District, the construction cost for fundamental infrastructure, additional apartment premium calculation and sale consultation, State-owned or public land transfer without compensation, and acquisition consultation, (3) the calculation of construction cost for fundamental infrastructure installation cost from the execution date to the completion date of the relevant services (the calculation of construction cost for infrastructure facilities such as roads, parks, etc. within the pre-approval date of the project implementation, free transfer of state-owned or public land, and consultation on acquisition) and the consultation on the calculation and sale of additional cost for rental apartment (the calculation of additional cost and sale consultation for the sale of rental apartment before the management and disposal, transfer of rental apartment), state-owned or public land transfer free of charge, acquisition consultation (the consultation on the acquisition of State-owned or public land within the pre-approval date of the project implementation), and the consultation on the calculation and sale of additional cost for maintenance infrastructure construction cost (the consultation on the acquisition of State-owned or public land within the pre-approval area).