You forecast that Medicare visits = 10 - 2.0*Co-pay + 0.02* Income. The Co-pay is $20 and Income is $50,000. What effect would a $5 decrease in the Co-pay have? 1) Visits would drop by 10. 2) Visits would drop by 5. 3) Visits would rise by 5. 4) Visits would rise by 10.