You have been recruited as an expert in health economics to recommend what is the best therapy for a group of patients. In the image below you will nd the decision tree showing the probabilities for different health states and outcomes for patients undergoing two possible treatments, No drug therapy and Drug therapy. Based on the expected cost, which therapy would you recommend as the least expensive? Explain how you arrived at your recommendation and show your calculations the space provided. HEALTH STATES OUTCOMES PROBABILITIES _ (Costs) 0.2 0-2 50 'No drug theraphv S400 5300 5200 0.53 _ 50 0.16 5300 Develop disease 3 0.22 5500 Drug theraphy 0.09 $0