Question: In the United States in 2012, implementing state or local smokefree laws (in workplaces, restaurants, and/or bars covering 50% or more of county's population) resulted in a substantial health improvement among Medicare beneficiaries aged ≥ 65 years. Approximately, what was the percentage decrease in hospital admission rates for acute myocardial infarctions (heart attacks)? Question options: Need Assignment Help? A) 3% B) 10% C) 20% D) 40%