FOR more than a week now, no sweet iced tea has been on the menu at the nasi soto (literally rice soup) food stall belonging to Ibu Mik in Jalan Letkol Iskandar, Palembang, South Sumatra. If a customer asks for sweet iced tea, she just offers them unsweetened iced tea instead. Ever since sugar prices began to soar, Ibu Mik admits to being confused over how much to charge for one glass of her sweet iced tea. Up to now, she has only been chargi