Question 2: What is quality-adjusted life year (OALY) and how are the QALY utility spores measured? Provide a brief definition of OALY, ranges of minimum and maximum values and explain at least two methods to measure OALY utilities in the health economic evaluation of a new intervention. Question 3: What could be uncertainties in the health economic evaluation of now intervention? List at least four unique uncertainties and explain with examples for each uncertainty type. Question 4: What is the perspective of analysis and list at least three commonly used perspectives in health economics? Provide a brief definition and explain with examples in your own words. Question 5: What are multi-criteria decision (MCD) analyses and list at least five unique criteria for decisions about resource allocation in health care? Provide a brief definition of MCD and explain five criteria with examples in your own words