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Consider the following data for an economy last year: Total population 345.82 million Part-time workers looking for full-time jobs 5.89 million Unemployed workers who are not actively searching for jobs 7.12 million Retirees and stay-home parents 18.20 million Unemployed workers who are actively searching for jobs 5.85 million Population under 16 years old and or institutionalized 52.85 million Unemployed full-time college students 80.35 million (a) With the data above, determine the economy's official (i) labor force and (ii) unemployment rate. Clearly show your steps and calculations, including the economic factors involved. (b) Carefully discuss why each institutional structure listed below is needed to maintain and promote economic growth. Provide detailed explanations that clearly relate each institutional structure to economic growth. 1. Efficient legal system on property rights, including patents and copyrights. 2. Literacy and education of labor force. 3. Free trade or liberalized international trade