1- The macro-environment is the factors that exist in the economy as a whole and have a direct impact on the activities of organizations ( true- false)

2- A supplier from one company's perspective is a customer from another ( true-false)

3- The main factor in choosing the best supply design strategy is the nature of the external environment ( true-false)

4- The supply chain is usually made up of different companies so that each member of the supply chain produces a different product or service