Describe what happens in the market for smartphones. In the short​ run, firms will​ . A. make an economic profit B. incur an economic loss C. continue to break even Some firms will​ the​ market, and the market supply curve will shift​ . A. ​enter; leftward B. ​enter; rightward C. ​exit; rightward D. ​exit; leftward

Which of the following most accurately describes how the equilibrium price of a good or service can be determined? a. by moving the supply curve right or left until it matches the demand curve. b. by finding where the supply curve and the demand curve intersect. c. by doing market research to determine the maximum price consumers will pay. d. by taking the opposite of the columns in a supply schedule and a demand schedule.