The Main Product for Zamperla Industries Is Gondola Cars for Amusement

The main product for Zamperla Industries is gondola cars for amusement park rides and ski lifts.Its marketing department constantly monitors trends in the external environment that might affect the firm.Which economic factor may pose a major threat to this company?

A) few competitors in this industry
B) technological improvements that are automating production of cars
C) a recession
D) increasing interest in the environment and recycling
E) existing legislation requiring licensing of all amusement park rides