Which statemen best describes the economic relationship between product markets and businesses?
A. Product markets pay wages to businesses.
B. Businesses receive their income from product markets.
C. Product markets provide natural resources to businesses.
D. Businesses sell the goods they produce at product markets.

One day you learn that this same wealthy friend has become active in a community organization that serves the mentally challenged and their parents. you are told that her work with mentally challenged children consumes most of her weekends and a substantial part of her income and that she lives in modest circumstances. you find this hard to believe, and you suspect that somehow she is profiting from her involvement.