1. The Defendants jointly and severally pay to the Plaintiff KRW 43,069,249 as well as KRW 42,90,000 among them, from December 25, 2015.

1. Comprehensively taking into account the overall purport of arguments as to the facts found in Gap evidence Nos. 1 through 6 (including serial numbers), the plaintiff entered into a guarantee insurance contract with defendant A Co., Ltd. (hereinafter referred to as "Defendant A"), with the content of guarantee on June 17, 2015 (hereinafter referred to as "contract bond under a construction contract"), with the insured "SI Comprehensive Construction Co., Ltd.", with the purchase price of insurance, "42,90,000 won", and with the insurance period "from April 23, 2015 to August 10, 2015" (hereinafter referred to as "guarantee insurance contract of this case"), and the performance (contract) contract of this case under the guarantee insurance contract of this case is the fact that the plaintiff paid insurance money to the insured under the guarantee insurance contract of this case, the amount equivalent to the above insurance money of the defendant A shall be immediately repaid, but if delayed, the amount of damages for delay shall be calculated by 105% from the date following the payment date of insurance money to 1365 days, and 10.4%.

2. According to the facts of the above recognition of the claim against Defendant A, Defendant A is obligated to pay to the Plaintiff the amount of KRW 43,069,249 ( KRW 42,900,000 and KRW 169,249) and damages for delay calculated at the rate of 15% per annum, which is the agreed interest rate, from December 25, 2015 to the date of full payment.

3. Claim against the defendant B

A. Article 3(2) of the Digital Signature Act provides that determination on the cause of the claim shall be made.