With respect to a sale of goods, which one of the following statements is true?
a. If the parties do not agree otherwise, the time of payment is 20 days after the time of delivery.
b. If the parties do not agree otherwise, the risk of loss stays with the seller until delivery.
c. A seller who has been given a bad cheque that bounces (is dishonoured for insufficient funds) can sue the purchaser for breach of contract. If the seller still has possession of the goods, he also has rights against the goods themselves.
d. The Sale of Goods Act also applies to the purchase of real estate and of bonds.