3. List and briefly discuss the national economic statistics of the USA such as - GDP, National Income etc. Also, identify the main components which are contributing in GDP, such as education, agriculture, mining etc. 4. Briefly discuss the macroeconomic indicators of USA, such as Inflation and unemployment. You need to mention the relevant theory to explain the relationship among those variables. For example - If you decide that you want to conduct a research study on CHINA, you can use the below- mentioned link from google to find their national economic statistics - http://www.stats.gov.cn/tisjdsj/2020/indexeh.htm