Which of the following statements can be inferred from the data above?

I. The Klein family's annual income more than doubled from \(1985\) to \(1995.\)
II. The Klein family's annual income increased by a greater amount from \(1985\) to \(1990\) than from \(1990\) to \(1995.\)
III. The Klein family's average (arithmetic mean) annual income for the period shown was greater than \(\$40,000.\)

A. I only
B. II only
C. I and III only
D. II and III only
E. I, II, and III

Answer: C

Source: GMAT Prep