Answer
1) There is no vertical scaling for both graphs.
2) The periods covered by the graphs are not the same.
3) The unnecessary backgrounds distract the readers.
Work Step by Step
1) Can you say (compute) the percentage increase in the cost from 1965 to 1999?
2) What was the ranking of Cornell University in 1965? Maybe it has increased a lot from 1965 to 1988 and in the last year (1999) it has decreased a little.
3) Everybody likes money (at least, almost everybody). The image of a bill in the background will distract many readers.
