ldentify the value chain and competitive forces in Porter’s model. Based on “The Mini-cases: 5 companies, 5 strategies, 5 transformations”

Identify the value chain and competitive forces in Porter’s model. Based on “The Mini-cases: 5 companies, 5 strategies, 5 transformations” article and cases, what effect did the value chain and competitive forces have on those organizations? What strategies did those organizations undergo to respond to sustainability?