A TAIWANESE couple have paid $650,000 for a four-room flat in Bain Street - smashing Housing Board (HDB) records and reflecting the strength in the red-hot resale market. The sale price works out to be $736 per sq ft (psf) for the 30-year-old flat on the 25th floor of a block at Bras Basah. That is the highest psf price paid for an HDB property and is on a par with prices of private homes in suburban...