It is clear that to produce the maximum material comfort for its citizens, a nation needs to .

(A) Limit competition from the products of foreign nations
(B) Strive for self-sufficiency
(C) Subsidize the sale of lots of goods and services
(D) Specialize in producing something that it is relatively good at producing

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=%