If Antitrust Laws Did Not Prohibit Efforts to Restrict Competition

If antitrust laws did not prohibit efforts to restrict competition in markets:

A) no firms would attempt to collude on price and/or quantity.
B) attempts at collusion with rival firms on price and or/quantity would succeed all the time.
C) attempts at collusion with rival firms would probably fail more often than not.
D) all firms in the economy would earn negative economic profit in the long run.
E) all firms in the market would earn zero economic profit in the long run.