QUESTION ONE [20] 1.1. Using an organization of your choice, discuss the differences between upstream and the downstream supply chains. 1.2 Most of companies have decided to implement the use of electronic data interchange (EDI) to improve their operational supply chains. Explain the significance of such decision. QUESTION ONE [20] 1.1. Using an organization of your choice, discuss the differences between upstream and the downstream supply chains. 1.2 Most of companies have decided to implement the use of electronic data interchange (EDI) to improve their operational supply chains. Explain the significance of such decision