You read a magazine article explaining how the economy expanded for several years and then contracted. what was the subject of this article? a. the gross domestic product b. voluntary exchange c. the business cycle d. microeconomics

The correct answer is letter C. The business cycle is main subject of the article in the news magazine. Over time economy goes through a natural rise and fall of growth. Being aware of economic cycles helps to analize the economy and make better finantial decisions.  

A business cycle has four stages:  They are expansion, peak, contraction, and trough. They don’t occur at regular intervals .During expansion the economy is grows until it reaches its peak and begins to contract.The economy hits its bottom at the trough.

the answer is selfishly. hope this !