Which statements about Dealers are true? 1. provide searching and matching service to buyers and sellers; II. buy and sell for their own account; III. maintain an inventory of assets for transaction; IV. earn profits from the commission; V. earn profits from the bid-ask spread (that is, selling assets at a higher price than the purchase price); VI. their equity capital is not exposed to trading loss; Select one: I, II, IV Act GO b. I, IV, VI c II, IV, VI III. maintain an inventory of assets for transaction; IV. earn profits from the commission; V. earn profits from the bid-ask spread (that is, selling assets at a higher price than the purchase price); VI. their equity capital is not exposed to trading loss; Select one: a. I, II, IV b. I. IV. VI oc. II, IV, VI d. II, III, V e. I, III, V