Answer:
The correct answer is letter "A": the five forces framework.
Explanation:
Porter's Five (5) Forces is an analysis scheme created by American economist Michael E. Porter (born in 1947). The ultimate goal of this analysis is to help managers set their expectations of profitability because as competition increases, profitability decreases. Three of the five forces relate to those involved in the industry. The other two apply to the suppliers, the vertical participants, and consumers.