Which of the following are key indicators of industry attractiveness? a) social and political factors, barriers to entry, and the intensity of competitionb) barriers to entry, overall profitability of the industry, and whether there are only a few major players in the marketc) emerging opportunities and threats, industry profitability, and market size and projected growth rate d) the existence of economies of scope and whether an industry has significant social, political, regulatory, and environmental problemse) strategic-fit, existence of economies of scope, and social and political factor