Answer:
Micro economy is the study of the micro units of market economy of supply & demand of goods & services that are market forces to determine price of a commodity.
Macroeconomy is the study of the aggregate goods & services -total production of the nations economy-equlibrium level of income & employment of resources in national economy(dwells into inflation, unemployment, GDP).
Microeconomics is more focused on individual market businesses and their actions in accordance with income-supply and demand as price theory.