A. On October 6, 2014, the Plaintiff entered into a contract with the Defendant for civil engineering works (hereinafter “instant contract”) among the three lots of land D works (hereinafter “instant construction works”) on the following grounds: (a) the Plaintiff entered into the said contract; and (b) the main content thereof are as follows.

1. The name of the construction work: Dental construction work;

2. The construction site: Three parcels, including Dong-si, Gyeonggi-do;

3. Period: December 31, 2015, the completion date of construction, October 6, 2014.

4. Subcontract amount: 470,000,000 won (including surtax).

5. Scope and details of subcontracting: Reference to a detailed statement.

6. Advance payment: No one.

7. Time and method of payment of the construction amount: Cash in the process;

8. Warranty liability period: The relevant standards of the Framework Act on the Construction Industry.

9. Warranty bond rate: 3/100 of the subcontracted amount: Contract bond on October 1, 100 of the subcontracted amount: 10/100 of the subcontracted amount (hereinafter referred to as “A”, and the Plaintiff’s “B”) [general terms and conditions of the contract for construction work] Article 16 (Adjustment of Contract Amount due to Modification of Design] ① When the design contents are inconsistent with the state of the construction site, or when unclear, omitted, or error occurs, or when the project plan is revised or the project plan is revised.

(2) Where an increase or decrease in construction volume occurs due to the modification of a design under paragraph (1), the contract amount shall be adjusted according to the following standards:

1. The unit price of the increased or decreased construction works shall be based on the unit price indicated in the detailed statement of construction price referred to in Article 6;

2. The unit price for a new item not included in the detailed statement of construction price shall be the unit price computed as at the time of design modification; and

3. General management expenses and profits for increased or decreased construction works shall be applied at the rate as at the time of concluding a contract.

Article 17 (Adjustment of Contract Amount Due to Amendment to Terms and Conditions of Contract) Where it is necessary to adjust the contract amount due to any change in terms and conditions of contract, other than cases pursuant to Article 16, such change.