$6)$ One reason for studying operations and supply chain management $($OSCM$)$ is which of the following?

A$)$ OSCM is essential for understanding organizational behavior.

B$)$ Most business graduates do OSCM work regardless of their job title.

C$)$ All managers should understand the basic principles that guide the design of transformation processes.

D$)$ OSCM is a required course in all business degree programs.

E$)$ OSCM is the most rigorous business discipline.

$7)$ The goods$-$services continuum consists of which set of the following categories?

A$)$ No goods, some goods, even mix, some service, no service

B$)$ Pure goods, core goods, core services, pure services

C$)$ No service, some service, good service, excellent service

D$)$ Self$-$service, help desk service, face$-$to$-$face service, service$-$with$-$a$-$smile

E$)$ Mixed goods, some services, retail sales, management