A. The defendant is a project implementer who is selected as a model business operator of a project for creating a new rural village in accordance with the Rearrangement of Agricultural and Fishing Villages Act and carries out a “B district New Airport development project” (hereinafter “instant development project”), and the plaintiffs are 100 households of “C” housing newly built in accordance with the instant development project from the defendant (hereinafter “instant housing”).

B. On January 20, 201, the Defendant: (a) announced the sale of the instant housing on January 20, 201; and (b) the relevant portion of the written notice is as follows.

General-type 17,00,000 square meters of 177,000 square meters of general housing-type 455 square meters from January 20, 11

2. (40 days) General housing D-type 168,00,000 square meters of general housing 455 square meters of 100 square meters of energy self-sufficiency type A-type 455 square meters of 194,000,000 square meters of energy self-sufficiency type B-type 455 square meters of 100 square meters of energy self-sufficiency type B-type 198,000,000 square meters of 4555 square meters, general housing of 203,00,000 square meters of energy self-sufficiency type C-type 455 square meters of 4555 square meters was designed by installing solar energy self-sufficiency special heat special heat in solar solar energy, and 50 percent of total project expenses incurred in selling urban gas after calculating the sale price at tenant's expense. The appraisal and assessment of the sale price and other facilities may be determined by the appraisal and assessment committee for the sale price and the sale price change in the complex.