(a) Various expectations of suppliers are : 

1. Reasonable terms of delivery and payment. 

2. Healthy and co-operative inter-business relationship. 

3. Regular and timely payment according to credit terms. 

4. Correct information about the company’s financial position. 

5. Fair prices for the supplies. 

(b) The five merits of written communication to a business organisation are : 

1. Authoritative : Written communication appears to be more authoritative and formal. It is more credible in the eyes of the receiver. There is fixed responsibility for mistake in communication. 

2. Permanent Record : It provides a permanent record for future reference and as legal evidence. Contents can be easily verified. 

3. Uniformity : Written communication ensures transmission of information in uniform manner. The receiver can read and re-read the message until he understands it. .

4. Accuracy : It tends to more accurate and precise because written messages are prepared ‘ more carefully. 

5. Lengthy Messages : It is suitable for conveying lengthy messages and when a well considered response is desired.