View actual transaction price chart for apartment pre-sale rights It's easy to understand and you can clearly see price changes. *characteristic 1. Information on the actual transaction price of the Ministry of Land, Infrastructure and Transport’s apartment pre-sale rights 2. Chart and graph display of actual transaction price of apartment pre-sale rights 3. Chart view function by exclusive area 4. Touch to view detailed information 5. Just register and check it out right away 6. Actual transac