[Bigiron]

建築面積 (floor area)
土地面積( land area)

Dalvery b&w tenant 

Only pay for floor area . Ofcos song when the land area taken back . Because floor area no reduced 

26ridout tenant

Pay floor area plus extra $2k for maintenance of the extra area. Mean total land area increase extra land plus the 
house. Fencing perimeter increase. Not the extra land cost .

[Lukongsimi]

Still gain after deducting from his gcb rental

[Symmetry]

Show time for Indranee. She is expected to fulfill her own words in Parliament where she said " deferring land cost is raiding our reserves". 

Every year the land cost increase yet the whole piece of 26 Ridout is merely partially calculated.