Which of the following represents the correct ordering of standard dev

Which of the following represents the correct ordering of standard deviation of returns over the
period 1926 to 2014 (from highest to lowest standard deviation of returns)?

A) common stocks, long-term government bonds, long-term corporate bonds, Treasury bills
B) Treasury bills, long-term government bonds, long-term corporate bonds, common stocks
C) Treasury bills, long-term government bonds, common stocks, long-term corporate bonds
D) Treasury bills, long-term corporate bonds, long-term government bonds, common stocks

ANSWER

A