Answer:
c. vertical scope
Step-by-step explanation:
The extent to which a firm engages in the various value chain activities, from initial activities all the way to after-sales activities, is called Vertical Scope
Vertical integration or scope is a practice through which a company owns or regulates the assets or supply chain of its manufacturers, dealers, or retail stores. Vertical integration benefits businesses by enabling them to control the process, cut costs, and improve efficiency.