A. Comprehensively taking account of the purport of each of the above statements in Gap evidence Nos. 1 through 8, the plaintiffs entered into a contract for sale in lots with the defendant on May 13, 2008, under the joint executor of Eul apartment. The plaintiffs concluded the contract for sale in lots with the defendant on May 13, 2008, that the payment of 560,80,000 won is 5% of the purchase price, the intermediate payment is 36,480,000 won, and the remainder is 196,280,000 won, and if the contract for sale in lots is cancelled due to the defendant's reasons, the payment of the balance is 10% of the purchase price to the defendant as 10% of the purchase in lots, and the payment of the remainder shall be made under the defendant's joint and several 1,280,000,0000 won, which is 1,0000 won or more from the date of expiration of the contract.