1. The Defendants are jointly and severally liable to the Plaintiff for 72,50,000 won and each year from June 22, 2014 to September 30, 2015.

1. Basic facts

A. The Plaintiff is a company that operates the manufacturing business of medical appliances and wholesale and retail business, and D registered as the business owner by Defendant C is engaged in the manufacturing business of industrial equipment from November 15, 201.

B. Around January 9, 2013, the Plaintiff entered into a contract for the production of “3-WY assembly” in the name of Defendant C, a contracting officer of D, under the name of Defendant C (hereinafter “instant contract”). The key contents are as follows. - The payment period of Article 3 [payment period] shall be March 20, 2013. - The total amount of Article 4 / [payment method] shall be KRW 145 million ( separate from value-added tax) - [payment method] 52,50,00 won shall be paid within 10 days after the date of preparation of the contract. ② The remainder of 72,50,000,000 won shall be paid within 10 days after approval of the last operation of the machinery by the Plaintiff’s quality department.

E. On August 23, 2013, the Plaintiff: (a) up to March 20, 2013, D, the payment period under the instant contract, 3-WY assembly.