A survey question such as "Do you support or oppose being allowed to take the Life-time Learning Credit during years in which you pay for postsecondary education with a distribution from an education IRA?" is problematic because:

a. the question is loaded.
b. the question is not balanced.
c. it is likely that few people have thought about the issue.
d. the question is worded as a double negative.
e. the question is ambiguous.

The u.s. stock market has returned an average of about 9% per year since 1900. this return works out to a real return (i.e., adjusted for inflation) of approximately 6% per year. if you invest $100,000 and you earn 6% a year on it, how much real purchasing power will you have in 30 years?

Google started as one of many internet search engines, amazon started as an online book seller, and ebay began as a site where people could sell used personal items in auctions. these firms have grown to be so large and dominant that they are facing antitrust scrutiny from competition regulators in the us and elsewhere. did these online giants grow by fairly beating competition, or did they use unfair advantages? are there any clouds on the horizon for these firms -- could they face diseconomies of scale or diseconomies of scope as they continue to grow? if so, what factors may limit their continued growth?

One of the benefits of a well designed ergonomic work environment is low operating costs is true or false