All of the above. It would be nice to be able to add all of these to your skillset, they will all help you out.
Answer:
commodity are the goods and services sold to consumers
I believe it's D. Freedom from car owner responsibilities. Mass transit or public transit enable to carry a bigger number of persons in one way transport. Thus, it helps the economy to grow at the same time, it saves energy since in just 1 transport a lot of people can already ride on it. Plus, it gives flexible door to door services
That will be call sales analysis, analysis of sale performance records helps marketers to find clues to potential problem
