Activity Frame scenarios in the following table, indicate the most likely reason for the difference in earnings

e scenarios in the following table, indicate the most likely reason for the difference in eamings. Activity Frame Differences in Human Capital Compensating Differential Differences in Natural Ability Scenario An economics consulting firm hires Rina, a recent PhD graduate in economics, and pays her an annual wage of $73,000. It also hires Bob, a recent master's degree graduate in economics, and pays him an annual wage of $63,000. Two security guards have the same amount of schooling and work experience, but eam different wages. One of them works for a prison and eams an annual wage of $55,000 per year. Another works for a museum and earns an annual wage of $34,000 per year. Major league baseball pitchers earn more than minor league baseball pitchers. Labor Unions