Which of the following is not a tax-deferred saving method?

If a number greater than the mean of a series of observations is added to the series, the new mean is:

A) smaller than the original mean. B) greater than the original mean. C) same as the original mean. D) either greater or smaller than the original mean depending on the number of observations in the series.

The quantity of money demanded

A) is infinite. B) is directly controlled by the Fed. C) has no opportunity cost. D) is the quantity that balances the benefit of holding an additional dollar of money against the opportunity cost of doing so. E) changes very infrequently.