4. (4 points) Use the decision tree about strep throat treatment shown in class to answer this question. Suppose that all else stays the same but the cost of the antibiotic (Cal rises a lot. In what direction might this push the physician's decision and why? Please use the concepts from the decision tree (cost consequences of each of the three decisions. and how those would change, if at all, because of Carising). Please also comment on how the answer would depend on the value of to some extent. Your answer will include notation leg , etc. 4. (4 points) Use the decision tree about strep throat treatment shown in class to answer this question. Suppose that all else stays the same but the cost of the antibiotic (Cal rises a lot. In what direction might this push the physician's decision and why? Please use the concepts from the decision tree (cost consequences of each of the three decisions. and how those would change, if at all, because of Carising). Please also comment on how the answer would depend on the value of to some extent. Your answer will include notation leg , etc