Mr. Samuel agreed to purchase 100 bales of cotton from Mr. Varun, out of his large stock and sent his men to take delivery of the goods. They could pack only 60 bales. Later on, there was an accidental fire and the entire stock was destroyed including 60 bales that were already packed. Referring to the provisions of the Sale of Goods Act, 1930 explain as to who will bear the loss and to what extent?