Which best summarizes the increase in costs at public
four-year colleges over the past 30 years?
O They have increased more than private four-year
colleges but less than public two-year colleges.
O They have increased less than private four-year
colleges and public two-year colleges.
O They have increased more than private four-year
colleges and public two-year colleges.
O They have increased more than public two-year
colleges but less than private four-year colleges.