Answer:
C. Business Strategy
Step-by-step explanation:
White Leo Autos has four different cars and each of them operates as a separate Strategic Business Unit SBUs.
Business strategy is how the SBU competes in the market. The competitive strategy of the unit like differentiation strategy or cost leadership etc.
Corporate strategy focuses on how each SBU is operating and how it serves to the mission and vision of the organisation.
Functional strategy focuses on the different functions like HR, marketing, finance of each SBU.