In the year 2000, 50% of people paid their bills by mail, and bills accounted for 25% of the overall mail volume. By 2010, 75% of people were using the Internet to pay all of their bills. However, bills remained 25% of mail volume overall.
Which of the following, if true, would help resolve the apparent paradox in the passage above EXCEPT?
Explanation
Answer: E - All of the above answers might explain the paradox except E, an increase in the US population. Answers A, B, C, and D discuss how other types of mail either decreased or were no longer counted, explaining how the amount of bills could decline yet remain the same percentage of the total mail.
