Dealers quoted premiums of up to $15 an ounce over official domestic prices this week, inclusive of 6 per cent import and 3 per cent sales levies, the highest since February 7​Dealers quoted premiums of up to $15 an ounce over official domestic prices this week, inclusive of 6 per cent import and 3 per cent sales levies, the highest since February 7 ​Latest News [ SOBAN NEWS: International and National ]