All of the following statements about trading index options on the Chicago Board Options Exchange are true except A) limit orders are maintained in an order official's book. B) floor brokers may execute orders for others on a commission basis. C) market orders entered by a market maker have priority over public orders. D) market makers may trade for their own accounts.

Southeastern oklahoma state university's business program has the facilities and faculty to handle an enrollment of 2,000 new students per semester. however, in an effort to limit class sizes to a "reasonable" level (under 200 generally), southeastern's dean, holly lutze, placed a ceiling on enrollment of 1,600 new students. although there was ample demand for business courses last semester, conflicting schedules allowed only 1,440 new students to take business courses.the utilization rate for southeastern=%the efficiency rate for southeastern=%