I need the answer ASAP

Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs

An item not normally included in ansi recommendations, but recommended by other groups is: a) a syringe b) a blood pressure monitor c) a defibrillator d) all of the above

Registrars maintain high a. standardized tests b. faculty payrolls c. transcripts d. sporting facilities