The defendant is a housing redevelopment improvement cooperative that obtained approval from the head of Dongdaemun-gu Office on July 30, 2002 to implement a housing redevelopment improvement project (hereinafter "the redevelopment project of this case") that constructs apartment (hereinafter "the apartment of this case") on the ground of Dongdaemun-gu Seoul Dongdaemun-gu.

The plaintiffs are those who entered into a sales contract with the defendant or succeeded to the status of the purchaser of the apartment of this case.

(Provided, on November 3, 201, the network EM, EN, and EO, the litigation of the network EL, succeeded to the status of the deceased purchaser in accordance with 3/7, 2/7, 2/7, and 7, each share of inheritance). The conclusion of the sales contract and the contract for the purchase of the apartment from the defendant for 10 days from August 8, 2006 (hereinafter “instant sales contract”) entered into a contract for the purchase of the apartment from the defendant (hereinafter “instant sales contract”), and each purchase price was paid in full with the deposit account designated by the defendant according to the above sales contract.

The following are applicable to the contents of the instant sales contract.

▣ ET아파트 공급계약서(이하 ‘이 사건 분양계약서’라고 한다) 입주예정일: 2008년 12월 예정(공정에 따라 다소 변경될 수 있으며, 변경될 경우 추후 개 별 통보함) 제2조 (할인료, 연체료 및 지체상금) (2) 수분양자는 중도금 및 잔금의 납부를 지연하여 약정납부일이 경과하였을 때에는 그 지연일수에 대하여 공급계약 체결 당시 한국은행에서 발표한 예금은행가중평균여신금리(가계대출, 신규취급액 기준, 연 5.72%)의 가계자금 대출시장 점유율 최상위 은행(계약일 전년도 기준)이 정한 연체기간별 가산금리 연 8~10%(다만, 1개월 미만 연체시는 민법 소정의 법정이율인 연 5% 또는 가계자금 대출시장 점유율 최상위 은행이 정한 가산금리 중 낮은 금리)를 합산한 연체료율 아래...