Define and analyze the following four core functions of management:• A. Planning• B. Organizing• C. Leading• D. ControllingFor each function:• based on authoritative sources.• that demonstrates its application in an organizational setting.• to support your definitions and examples.Other instruction: • - Font: Arial, Size: 12• - 1.5 spacing• - Write your name, section, and date• - Make sure to follow the instructions and submit your output as neatly as possible.