Briefly answer the following questions: 

2.1 With specific reference to credit agreements, what is the difference between a suspensive condition and a resolutive condition? (4)

2.2 List the essentialia for a valid contract of purchase and sale. (3) 

2.3 Will the purchaser always become the owner of the thing sold? Motivate your answer. (3)

2.4 "The payee of a bill of exchange can never be a holder in due course." Is this statement correct? Motivate your answer. (3)

2.5 In terms of the law of purchase and sale, what is the meaning of the term "delivery"? (2)