Loading rice

Each bag weighs 50 kg. In 20 minutes a man and a woman loaded 2 tonnes from the storeromm at the back of the shop into their truck. They just worked steadily, each carrying out 20 bags. No money changed hands, the wholesaler wrote in her book and told us that she sells on credit and has a hard time calling it in. But if she doesn't offer credit, the customers will go elsewhere. That load was worth about $750.