Suppose lana lives in a small college town where, every weekend, 10 independent food cart owners set up shop and sell hot dogs on the street. they are popular with students, and they frequently locate where students hang out. one evening, lana overhears the conversation of three of the food cart owners as they conspire to raise the price of their hot dogs. that same night, she reports the conversation to the department of justice via their antitrust complaint website. why might the department of justice not send an agent to investigate the collusion attempt that lana witnessed?