The Case of Change of Prices of Certain Merchandise before Delivery

“About the case of a man who buys food for a few dirham of which he takes one-half and leaves the other half. Thereafter he comes back when prices have risen or have fallen down, Abu ‘ Abd Allah (a.s.), has said, ‘If on…

“About the case of a man who buys food, every kur (a certain amount) for a certain price, then prices rise or fall when he has measured only a certain part, and the owner of food refuses to deliver to him the rest, abu…

“Muhammad ibn al-Hassan once wrote to abu Muhammad (a.s.), asking, ‘A man has hired another man to work and build a structure for another person and he gives the worker food, cotton and other things; then the prices of…