I think the answer is : Macroeconomics is a) the study of the economic behavior and decision making of small units, such as individuals, families, and businesses. b) the study of the behavior and decision making of entire economies.
The answer is either D. or B. It REALLY depends on which was you are talking about. My honest answer is D.
Ok what is it i can help with it
Answer:
1: 30%
2: (this is probably said in the end of the video you must have watched)
3: transitional zone
4: (must be in the video you watched)
Explanation: