Which of the following describes a load broker? Select one answer. a) A carrier that operates its own equipment and a regular service between certain points of origin and destination b) A carrier that operates its own equipment between certain cities when a load can be secured c) A company that does not own equipment but trades truckloads and LTL cargo among owners/operators looking for cargo d) A company that does not own equipment but trades LTL and FTL cargo on the NASDAQ Exchange