As the interest rate rises, it is possible that net capital outflow could move from a positive to a negative value

Which of the following situations is NOT possible?

A) SAC and LAC are both increasing for some output levels. B) SAC is increasing but LAC is decreasing for some output levels. C) SAC is decreasing but LAC is increasing for some output levels. D) SAC and LAC are both decreasing for some output levels. E) All of the above are possible.

Consider an economy made up of 100 people sixteen years of age and older, 60 of whom hold jobs, 10 of whom are looking for work, and 15 of whom are retired. The number of people in the labor force is _____

a. 30 b. 60 c. 85 d. 90 e. 70