Pure economic profit must be at a maximum for a monopolist who has a level of output in which total revenue is at a maximum

Why is a college graduate more likely to get a job in management than is someone with only a high school diploma, even when the job has nothing to do with a specific type of education?

Other things the same, if a country saves less, then

a. net capital outflow rises, so net exports rise. b. net capital outflow rises, so net exports fall. c. net capital outflow falls, so net exports rise. d. net capital outflow falls, so net exports fall.