Joan, age 40, is dissatisfied with her job. Martin, age 25, is satisfied with his job but thinks the union could provide better benefits beyond the associated costs. Most research studies about individual voting decisions would predict that, of the two: A. Joan is more likely to vote for a union because she is older. B. Martin is more likely to vote for a union because men do more than women. C. Joan is more likely to vote for a union because she is frustrated. D. Martin is more likely to vote for a union because he sees economic opportunity in the representation.