Exercise 2.7 Millions of Dollars Regulatory program to monitor Regulatory enforcement 40 antibiotic prescribing by U.S. Time cost to doctors 220 physicians to reduce the Convenience cost to patients 180 spread of resistant strains Total U.S. Costs 440 Avoided U.S. resistance costs 350 Better drug compliance 70 Total U.S. Benefits 420 Avoided non-U.S. resistance costs 280 Fraction counted as U.S. Benefits 0 U.S. Net Benefits