1. The defendant shall pay 180,000,000 won to the plaintiff and 15% per annum from August 28, 2016 to the day of full payment.

According to the overall purport of Gap evidence Nos. 1 through 4 and arguments, the plaintiff loaned 150,00,000 won to B on February 5, 2010 as interest rate of 4.4% per annum, interest rate of delay 12% per annum, and February 7, 2013 as of the expiration date of the loan. ② The defendant entered into a limited collateral guarantee contract with the plaintiff to jointly and severally guarantee the obligation to return the above principal and interest of the loan of B within the limit of 180,000,000 won, ③ the above principal and interest of the plaintiff of the plaintiff of the plaintiff of the plaintiff of the plaintiff of the plaintiff of the plaintiff of the plaintiff, and there is no counter-proof.

According to the above facts, the defendant is obligated to pay the plaintiff the amount of KRW 180,000,000, which is the maximum amount of collateral guarantee and 15% interest per annum from August 28, 2016 to the day of full payment, which is the day following the delivery date of a copy of the complaint of this case.

Therefore, the plaintiff's claim is reasonable, and it is decided as per Disposition.