Learning Goal: I’m working on a micro economics practice test / quiz and need an

Learning Goal: I’m working on a micro economics practice test / quiz and need an explanation and answer to help me learn.In monopolistically competitive markets, what is correct about economic profits? a. They signal some incumbent firms to exit the market. b. They signal new firms to enter the market. c. They are maintained through government-imposed barriers to entry. d. They are not possible.
Requirements: short