The Duties of a Specialist Include Which of the Following

Multiple Choice

The duties of a specialist include which of the following?
I. maintain an orderly market
II. offer a higher bid price than the floor brokers offer
III. provide liquidity to the market
IV. purchase all shares offered as a limit sale

A) I and III only
B) II and III only
C) I, II, and III only
D) I, III, and IV only
E) I, II, III, and IV