Porter Suggests That Industry Attractiveness Is a Function of Five

Porter suggests that industry attractiveness is a function of five forces, including:*

A) profitability, market share, workforce quality, innovativeness, and social responsibility.
B) cost efficiency, product quality, service quality, workforce quality, and innovativeness.
C) differentiation, cost leadership, focused differentiation, focused cost, and integration.
D) competitors, new entrants, suppliers, customers, and substitutes.
E) None of the above are Porter's list of forces.