A Year's Tuition at a State University Cost $250 in 1972

Multiple Choice

A year's tuition at a state university cost $250 in 1972 when the CPI equaled 0.418. The cost of a year's tuition at the same state university cost $8,000 in 2016 when the CPI equaled 2.40. The real cost of tuition between 1972 and 2016:

A) increased.
B) decreased.
C) remained constant.
D) may have either increased or decreased.