The dollar price of a good relative to the average dollar price of all other goods and services is the good's:

Suppose a student is attending your college on an athletic scholarship, and doesn't pay a penny for tuition. According to the economic way of thinking, the student's cost of attending college is

A) zero. B) bore completely by the college's athletic fund. C) positive, because the student sacrificed some other opportunity to attend your college. D) positive, because the student still needs food and housing. E) negative, because nobody really gains by trying to combine athletics with higher education.

Over a year, a nation's GDP at current prices rose by 15 percent while the price index increased from 100 to 110. GDP at constant prices rose by about:

A.  3 percent B.  5 percent C.  7 percent D.  9 percent