QUESTION $4$

a$)$ Differentiate between upstream and downstream supply chain.

b$)$ Briefly describe TWO $(2)$ challenges of implementing Enterprise Applications.

c$)$ An effective customer relationship management system provides data and analytical tools

to identify loyal customers, profitable customers as well as value of one customer to the

firm gver years of business operations.

Discuss SIX $(6)$ business value of customer relationship management system.

QUESTION $5$

a$)$ Briefly explain the types of e$-$commerce. Give ONE $(1)$ example for each type.

b$)$ Distinguish between electronic data interchange $($EDI$)$ and extranet.