Answer:
the correct answer is D. Macroeconomics is the study of the economy as a whole, while microeconomics deals with the individual decision-making units.
Explanation:
Macro economics emerged as a seperate disclipline in the late 1930's witht eh influence of the prominent british economist John Meynard Keynes. it looks at the economy as a whole and tries to solve major economic issues affecting the national economy such as the unemployment, inflation, GDP and current rate changes.
Micro economics on the contrary, looks at how the individuals and firms behave in an economy and tries to explain their decisions and how they react.
The kind of startup that her store is considered to be is a new market idea. New market ideas are techniques or ideas that are employed or thought of as a way of strategizing and a way of improving one's business or store. In which Consuela engages to as she decided to have a new idea for a way of improving her store and for the sake of her customers.