Which of the following statements about the duty of the seller of goods in respect of delivery is true?

1. The seller must deliver the exact quantity of goods ordered by the buyer, although a small difference will not give the buyer the right to reject the goods.

2. Delivery of the goods will usually take place at the buyer's place of business or residence.

3. If no time is fixed for delivery, the seller must deliver the goods within a reasonable time.

4. The seller must bear the cost of putting the goods into a deliverable state