The appeal by the plaintiff (Counterclaim defendant) is dismissed.

The costs of appeal shall be borne by the plaintiff (Counterclaim defendant).

purport, purport, and.

1. Details of the conclusion of a contract for work and the progress thereof;

A. On October 28, 2015, the Plaintiff entered into a contract with the Defendant, the owner of the construction business, etc., under which the construction business is the principal business, and entered into a contract with the Defendant, the owner of the building, under which the construction business is determined as the contract amount of KRW 800 million (excluding value-added tax; hereinafter the same shall apply) and the construction business for the building to be newly constructed as the instant building (hereinafter referred to as the “instant contract”).

According to the special terms and conditions of the instant contract for construction works, the details of the instant construction works were determined by agreement following subsequent design changes.

B. During the execution of the instant construction project, the Plaintiff prepared and delivered an estimate statement indicating the total construction cost of KRW 927,706,914 to the Defendant, and accordingly, the Plaintiff and the Defendant changed the construction contract amount to KRW 900 million on June 29, 2016 (hereinafter “instant contract, etc.”).

2) Of the detailed specifications by type of work, the items of the instant estimate are excluded from the estimate. Of the detailed specifications by type of work, the detailed specifications of the instant estimate include only the quantity in quantity, and include only the items in which the cost remains vacant. The detailed specifications by type of work include the concrete parts of the unclaimed construction (influence) and part of the alinium alinium (AW1), polyvinyl chloride (PW1-12), polyvinyl chloride (PV1-52), and wood sentence (WD1-5).

1.This estimate shall correspond to the drawing(s);

2. 1) design and supervision costs 2) Korea electric power payments, electric safety inspection costs, fire-fighting supervision costs, 3) authorization and permission costs, 4) measurement costs, 5) 5, 6 (7) 5, 6 (7) , 70, 70, 8 for 6) households and repair units, and 5) repair units. (2, 3, 4, 4, 5, 5, 6th floor timber and 8) estimates, other than an estimate, and an increase or decrease in quantities.