Sell GCB above market value
Rent GCB below market value
https://www.theonlinecitizen.com/2024/09/12/minister-k-shanmugam-transfers-astrid-hill-gcb-to-ubs-trustees-for-s88-million-following-ridout-road-controversy/
https://www.ricemedia.co/ridout-road-saga-closure