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How does the Affordable Care Act (ACA) impact employment in the economy? Select one: O a. Provisions of the ACA to increase health insruance coverage for all has led to an increase in employment over and above what would have happened otherwise O b. Companies must provide costly health insurance if they have 50 or more employees which has led to some downsizing O c. There are no extra costs for an employee who works 30 hours or more for a large company O d. The ACA has had no impact on employment